1. Are we Manufacturer? Yes, we are a specialized manufacturer of Stainless Steel Tubes and Pipe, Nickel Alloy Tubes and Pipes in China.  2. What is your minimum order? Yes, usually 200KGS for each sizes, please contact us when you are trying to purchase less than container load. 3. What form of quotation do you offer? FOB Shanghai, CIF and CNF/CFR Discharge Port according to Incoterm 2020  4. What is your payment term?  Payment term with T/T, L/C at Sight according UCP 600. We accept USD, Euro, JPY, GBP.etc 5. Is the sample for free or not? Samples offered with Free, until our customer is completely satisfied . But you have to pay the freight charge. 6. How do you guarantee the quality of the products? All of our procedures are strictly operated under the ISO 9001-2018, and there are as many as 6 times of tests during the production of each product to ensure the quality. and we have our own laboratory， Every tubes will be tested under our testing equipment before packing. 7. How do you package the product? Seaworthy Wooden cases for thin wall thickness if requiredIn Plywood Cases With Plastic Paper Protect In bundles, internal wrapped with plastic foil, external wrapped with polywoven bags, we use steel belt to pack the outside. 8. How are the orders shipped? By sea. We arrange up to the port of departure or port of destination (Shipment/ freight to be paid by the buyer). By air. as your request 9.How about the TPI Third Party Inspection ? We accept third party inspections such as UEV, SGS, LR, MOODY, ITS, DNV,BV, Lloyd’s Reg. of Shipping ,TüV ,GL as well as customer’s stage-wise inspection are welcome. 10. How long will it take to produce an order? We have a store…

Guanyu Tube supplies high quality tubes and offers excellent service to our customers. Our customers are at the centre of what we do! Before-Sale Service Feedback the customer inquiries within 24 hours. Focus on customers’ requirements, careful analysis, and fully communicate with customers. Offer technical consulting service to the user for selecting proper Stainless Steel and Nickel Alloy material grade. Samples offered for free, until our customer is completely satisfied. Service During Producing Select the best quality stainless steel pipe material. From Yongxing / BAOSTEEL / TISCO / Sandvik / Outokumpu. Manufacture the Stainless Steel Tubing and Nickel Alloy Tubes strictly according to the MPS and Specification. Supervise the Process of Production, ensure the delivery on time. Report the Stainless Steel Tubing Production Status Report Weekly by E-mail. Main Testing Terms and Production Procedure: Marking & Packing Service During Shipment Ensure the stainless steel pipe and Nickel Alloy Seamless tubing with safe and proper package Ensure…

Mainly Raw Material Supplier (Stainless Steel and Nickel Alloy Round Bar):BAOSTEEL / TISCO / POSCO / Yongxing Special Steel / Sandvik / Outokumpu / Nippon Steel As a process and materials specialist, we join ranks with our customers to develop product solutions that live up to ever-higher requirements and ensure a successful market presence for our customers. We have established a complete quality management system and organization according to ISO 9001:2016 and PED 2014/68/EU. We choose the best quality raw material for our customers. Inspection all though the producing process ensured the Stainless Steel Tubing and Nickel Alloy Pipe finished in qualified. With destructive and non-destructive tests according to standard specification and customer’s special requirement. The Testing center of our company has all kinds of necessary testing apparatus, mainly including Direct reading spectrometer, Portable Spectrometer, Universal Material testing machine, Hydraulic Testing machine, Impact testing machine, Eddy current testing machine, Ultrasonic Testing machine, Huey testing machine, Hardness…

Mainly Testing Equipment List Equipment Name Detailed Description Quantity(set) Eddy Current Test Machine ECT-308E 1 Ultrasonic Test Machine CTB-108 1 Potable Ultrasonic Test Machine CTS-23B 1 Hydrostatic Test Machine Maximum 25 Meters 4 Direct Reading Spectrometer M5000F 1 Portable Spectrometer (Made in Japan) Hitachi X-MET8000Smart 3 Akashi Hardness Tester ATK-F3000 1 Rockwell Hardness Tester HR-150DT 1 Vickers Hardness Tester 1 Universal Test Machine WEW-600B 6-600KN 1 Charpy Impact Test Machine JB-300B 1 Metallurgical Microscope 6CHY-D 1 Endoscope Test DEPSTECH 2 Tube Micrometers (Made in Japan) Mitutoyo 3 Ultrasonic Thickness Tester UAS5 2-200mm 1 Surface Roughness Tester   1 Intergranular Corrosion Test 2

Mainly Producing & Testing Equipment List Equipment Name Detailed Description Quantity (sets) Cold Rolling Pilger Machine LG-15,LG-20-HS, LG30-H, LG60-H 21 Cold Drawing Machine Set OD 3 – 530mm 6 Solution Annealing Furnace CNG Controled by Computer 25 Meters 1 Bright Annealing Furnace Nitrogen and Hydrogen 1 Pickling Tank 25 Meters 25000*1600*1000mm 5 Electric Resistance Heat Treatment XL-21 1 Straightening Machine LJ25, LJ110, LJ160 10 Eddy Current Test Machine ECT-308E 1 Ultrasonic Test Machine CTB-108 1 Hydrostatic Test Machine Maximum 25 Meters 4 Direct Reading Spectrometry M5000F 1 Portable Spectrometer Hitachi X-MET8000 Smart 3 Rockwell Hardness Tester HR-150DT 1 Vickers Hardness Tester 1 Universal Test Machine WEW-600B 6-600KN 1 Metallurgical Microscope 4XI-II 1 Endoscope Test DEPSTECH 2 Tube Micrometers (Made in Japan) Mitutoyo No.395-271 3 Polishing Machine Outside surface and Inside surface 2 Ultrasonic Thickness Tester UAS5 2-200mm 1 Surface Roughness Tester 1

Stainless Steel and Nickel Alloy Department: Zhejiang Guanyu Steel Tube Co., LtdAdd: No.3 Jiangnan Road, Jiangnan Industrial Zone, Songyang County, Zhejiang Province, P.R. ChinaPost Code: 323400Tel:+86-159-61185386Fax:+86-578-8911588E-mail: sales@tubingchina.com / sales@guanyutube.comBrass and Copper Alloy Department: Changzhou Henghao Special Alloy Co., LtdAdd: No.5-2, West Taihu Road, Xinbei District, Changzhou, Jiangsu, P.R.ChinaTel: +86-159-61185386 E-mail: copper@tubingchina.comContact us:

Zhejiang Guanyu Steel Tube Co., Ltd has been serving the World since 2003. It has passed the China Special Equipment Manufacturing License TS-A and B, EU Pressure Equipment Directive PED 2014/68/EU material certification, ISO9001 International Quality Management System Certification, ISO14001 environmental management system certification, ISO 45001 occupational health and safety management system certification Zhejiang Guanyu Steel Tube Co., Ltd is a specialized manufacturer of High Quality Stainless Steel Tubes & Pipe, Nickel Alloy Tubing & Pipe in China. Production area covers an area of 35,000 square meters. Annual output capacity more than 10,000 metric tons. Guanyu Tube have built a complete quality management system and organization according to ISO 9001:2015 and PED 2014/68/EU. Quality control begins with an audit trail and continues from the point of steel melting. for the raw materials, we select the best quality raw material for our customers. right through to the finished product. This level of…

Stainless Steel and Nickel Alloy Department:Add:No.3 Jiangnan Road, Jiangnan Industrial Zone, Songyang County, Zhejiang Province, 323400 P.R. ChinaTel:+86-159-61185386Fax:+86-578-8911588E-mail: sales@tubingchina.com              sales@guanyutube.com Brass and Copper Alloy Department:Changzhou Henghao Special Alloy Co., LtdAdd: No.5-2, West Taihu Road, Xinbei District, Changzhou, Jiangsu, P.R.ChinaTel: +86-159-61185386Fax: +86-519-86762863 E-mail: copper@tubingchina.comContact us