{"id":30,"date":"2026-10-05T20:12:05","date_gmt":"2026-10-05T12:12:05","guid":{"rendered":"http:\/\/runda-hitech.com\/?page_id=30"},"modified":"2026-10-05T21:09:35","modified_gmt":"2026-10-05T13:09:35","slug":"about","status":"publish","type":"page","link":"https:\/\/runda-hitech.com\/index.php\/about\/","title":{"rendered":"About CHANGSHA RUNDA HITECH"},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull rlok-hero\" style=\"min-height:430px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background\" alt=\"\" src=\"http:\/\/runda-hitech.com\/wp-content\/uploads\/2026\/10\/r-lok-hero-background.jpg\" data-object-fit=\"cover\"\/><div class=\"wp-block-cover__inner-container has-global-padding is-layout-constrained wp-block-cover-is-layout-constrained\">\n<h1 class=\"wp-block-heading\">About CHANGSHA RUNDA HITECH<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">CHANGSHA RUNDA HITECH CO., LTD. is a Chinese supplier and sourcing partner for instrumentation valves, tube fittings, pressure regulators, filters, quick connectors and hose assemblies, sold under the product brand R-LOK. The company has worked from Changsha, Hunan since 2006, serving oil &#038; gas, petrochemical, semiconductor, new energy and pharmaceutical projects, with working pressures quoted up to 6,000 psi (413 bar).<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/index.php\/contact\/\">Request a quote<\/a><\/div>\n\n<div class=\"wp-block-button is-style-outline\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/index.php\/products\/\">Browse products<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group rlok-body has-global-padding is-layout-constrained wp-container-core-group-is-layout-b8954cbe wp-block-group-is-layout-constrained\" style=\"border-radius:0px\">\n<p class=\"wp-block-paragraph\"><span class=\"rlok-fallback-nav\"><a href=\"\/index.php\/products\/\">Products<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/applications\/\">Applications<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/quality\/\">Quality<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/resources\/\">Resources<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/about\/\">About<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/contact\/\">Contact<\/a><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"rlok-bc\"><a href=\"\/index.php\/\">Home<\/a> &rsaquo; <strong>About Us<\/strong><\/span><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6ac5c474 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Key features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Supplier and sourcing partner, trading from Changsha, Hunan since 2006.<\/li>\n\n<li>Product brand R-LOK covers valves, fittings, regulators, filters, connectors and hose assemblies.<\/li>\n\n<li>Needle, ball, gauge, manifold, check, plug, purge, bleed, safety and UHP diaphragm valves.<\/li>\n\n<li>Double-ferrule, threaded and high-purity weld tube fittings from 1\/16 in (1.6 mm).<\/li>\n\n<li>316 and 316L stainless steel standard; other alloys quoted for corrosive duty.<\/li>\n\n<li>Up to 6,000 psi (413 bar) on the smaller sizes and metal-seated designs.<\/li>\n<\/ul>\n<\/div>\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>Parameter<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Legal name<\/td><td>CHANGSHA RUNDA HITECH CO., LTD.<\/td><\/tr><tr><td>Product brand<\/td><td>R-LOK<\/td><\/tr><tr><td>Established<\/td><td>2006<\/td><\/tr><tr><td>Role<\/td><td>supplier and sourcing partner, not a manufacturer<\/td><\/tr><tr><td>Product scope<\/td><td>instrument valves, tube fittings, pressure regulators, filters, quick connectors, hose assemblies<\/td><\/tr><tr><td>Materials<\/td><td>316 \/ 316L stainless steel standard; other alloys quoted on request<\/td><\/tr><tr><td>Size range<\/td><td>1\/16 in to 1 in (1.6-25.4 mm) tube OD, by family<\/td><\/tr><tr><td>Working pressure<\/td><td>up to 6,000 psi (413 bar) in the smaller sizes<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Range and materials<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RUNDA HITECH trades from Building 3, Zone C, Xianghu 1st Village, Wanbao Avenue, Xianghu Street, Furong District, Changsha, Hunan, China. The company is a supplier and sourcing partner for instrumentation products, not a production plant. It exports worldwide.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The range covers needle, ball, gauge, manifold, check, plug, purge, bleed, safety and relief, and ultra-high-purity (UHP) diaphragm valves, with pressure regulators, filters, quick connectors and hose assemblies. Bodies and wetted parts are normally 316 or 316L stainless steel; other alloys are quoted on request.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fittings, sizes and connections<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tube fittings cover double-ferrule, threaded and high-purity weld types, in sizes from 1\/16 in (1.6 mm) to 1 in (25.4 mm) tube outside diameter depending on family. End connections include NPT, BSPP\/BSPT, ISO and weld ends.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Each item is quoted with its own thread standard, so the connection matches the mating part on the drawing. Working pressure is stated per item: smaller sizes and metal-seated designs reach 6,000 psi (413 bar), while larger bodies, softer seats or threaded ends reduce it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where it is used<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RUNDA HITECH ships to the Middle East, Central Asia, Southeast Asia and Africa, and serves oil &#038; gas, petrochemical, semiconductor, new energy and pharmaceutical projects, maintenance and spare parts included: instrument air, sampling, impulse line, gas panel and utility stations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Send your list, drawing or datasheet to nimo@runda-hitech.com, or call or message +86 136 5741 6007. RUNDA HITECH replies in English and quotes item by item, with the data needed to check the selection against your specification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Standards referenced:<\/strong> NPT threads per ASME B1.20.1; BSPP and BSPT per ISO 228-1 and ISO 7-1.; Ratings quoted with reference to ASME B31.3; the figure quoted for the ordered item governs.; Mill material certificates issued to the applicable ASTM standard, such as A276 or A479..<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Typical duties:<\/strong> Oil &#038; gas instrument air and sampling lines; Petrochemical and refining process instrumentation; Semiconductor and ultra-high-purity gas panels; New energy: hydrogen, LNG and battery material skids; Pharmaceutical and bioprocess clean utility lines; Panel, manifold and skid builds for EPC contractors.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently asked questions<\/h2>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Do you manufacture the products you sell?<\/summary>\n<p class=\"wp-block-paragraph\">No. RUNDA HITECH is a supplier and sourcing partner. The company selects the correct item from its supply base, consolidates it with the rest of your order, and takes responsibility for the specification, the documents and the delivery.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>What do you need in order to quote?<\/summary>\n<p class=\"wp-block-paragraph\">A model number is enough if you have one. Otherwise send the duty conditions: line or tube size, thread or end connection, material, working pressure, temperature, medium and quantity. Drawings or datasheets confirm the interface before you commit.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Which documents come with the shipment?<\/summary>\n<p class=\"wp-block-paragraph\">Material certificates and dimensional inspection reports are supplied with every shipment, together with the commercial invoice, packing list and certificate of origin. Third-party inspection and destination-specific documents can be arranged when your customs authority or specification requires them.<\/p>\n<\/details>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull rlok-cta has-global-padding is-layout-constrained wp-container-core-group-is-layout-c4390f02 wp-block-group-is-layout-constrained\" style=\"border-radius:0px\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-b097105c wp-block-group-is-layout-constrained\" style=\"border-radius:0px\">\n<h2 class=\"wp-block-heading\">Request a quote or technical clarification<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Send us the model, size, material and quantity you need &mdash; or a photo of the existing part. We reply with a quotation, availability and the applicable documents, usually within one working day.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"mailto:nimo@runda-hitech.com\">Email nimo@runda-hitech.com<\/a><\/div>\n\n<div class=\"wp-block-button is-style-outline\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/wa.me\/8613657416007\">WhatsApp +86 136 5741 6007<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Tel \/ WhatsApp: +86 136 5741 6007 &middot; Email: nimo@runda-hitech.com<\/p>\n<\/div>\n<\/div>\n\n\n\n<style>img{max-width:100%;height:auto}.wp-block-table{max-width:100%}.rlok-bc{display:block;font-size:13px;letter-spacing:.01em;color:#5a6b7d;margin:0 0 26px}.rlok-bc a{color:#0b2545;text-decoration:none}.rlok-bc a:hover{color:#c8102e;text-decoration:underline}.rlok-bc strong{color:#0b2545}.rlok-fallback-nav{display:block;border-bottom:1px solid #dde3ea;padding-bottom:12px;margin:0 0 18px;font-size:14.5px;font-weight:600}.rlok-fallback-nav a{color:#0b2545;text-decoration:none}.rlok-fallback-nav a:hover{color:#c8102e;text-decoration:underline}@media (max-width:782px){.rlok-hero{min-height:330px!important;padding-left:18px!important;padding-right:18px!important}.rlok-hero h1{font-size:26px;line-height:1.22}.rlok-hero p{font-size:15.5px}.rlok-body{padding:30px 18px 12px!important}.rlok-cta{padding:38px 18px!important}.rlok-cta h2{font-size:22px}.rlok-bc{font-size:12.5px;margin-bottom:18px}.wp-block-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.wp-block-table table{min-width:520px;font-size:13px}.wp-block-table th,.wp-block-table td{padding:7px 9px}.wp-block-columns{gap:1.1rem;margin-bottom:1.3rem}.wp-block-button{width:100%}.wp-block-button__link{width:100%;text-align:center}h2.wp-block-heading{font-size:22px}h3.wp-block-heading{font-size:19px}.wp-block-details{padding:12px 14px}}<\/style><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"http:\/\/runda-hitech.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"About Us\", \"item\": \"http:\/\/runda-hitech.com\/about\/\"}]}<\/script>\n\n\n<!-- VERIFY BEFORE PUBLISHING: Confirm whether RUNDA HITECH owns or operates any production, assembly or testing facility. The current copy describes the company only as a supplier and sourcing partner. | Confirm which quality-system or product certificates the company actually holds, for example ISO 9001, before any certificate is named anywhere on the site. | Confirm that the size range 1\/16 in to 1 in (1.6-25.4 mm) and the 6,000 psi (413 bar) upper pressure figure apply to the specific valve and fitting families named on this page. | Confirm which material standards the mill certificates reference, for example ASTM A276 or ASTM A479, and that certificates are available for every item shipped, not only bar-stock bodies. | Confirm the standard export packing method and whether fumigated or heat-treated wooden cases are used for sea freight. | Confirm which export documents can be issued and at what cost: certificate of origin, preferential or FTA certificates, third-party inspection reports. | Confirm the minimum order quantity policy per family and typical lead times for catalogue items and for built-to-order hose assemblies. | Confirm the loading ports normally used and the Incoterms offered, so the quotation wording in the copy matches actual practice. | Confirm whether welded hose assemblies are pressure tested and whether test records can be supplied with the shipment. | Confirm that the trading address on this page is the current registered address, and decide whether the business registration number should appear on the site. -->\n\n<!-- build: slug=about type=corporate keywords=instrumentation valves supplier China, tube fittings supplier for oil and gas, R-LOK instrumentation fittings, needle valve 316 stainless supplier, double ferrule tube fittings exporter, instrumentation valve sourcing partner China, pressure regulator supplier for petrochemical, hose assembly supplier China export, UHP diaphragm valve supplier, 3-valve manifold supplier 316L -->","protected":false},"excerpt":{"rendered":"<p>Instrumentation valve, tube fitting and hose assembly supplier and export partner since 2006. Material certificates with every shipment. Send your list.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-30","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages\/30","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/comments?post=30"}],"version-history":[{"count":8,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages\/30\/revisions"}],"predecessor-version":[{"id":394,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages\/30\/revisions\/394"}],"wp:attachment":[{"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/media?parent=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}