• Perguntas frequentes Perguntas frequentes

    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…

    Sobre nós 1º de junho de 2020
  • Por que escolher a Guanyu Tube?

    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…

    Sobre nós 1º de junho de 2020
  • Qualidade e controle da Guanyu Tube

    Principalmente fornecedor de matéria-prima (barra redonda de aço inoxidável e liga de níquel): BAOSTEEL / TISCO / POSCO / Yongxing Special Steel / Sandvik / Outokumpu / Nippon Steel Como especialistas em processos e materiais, unimos forças com nossos clientes para desenvolver soluções de produtos que atendam a requisitos cada vez mais altos e garantam uma presença bem-sucedida no mercado para nossos clientes. Estabelecemos um sistema completo de gerenciamento de qualidade e organização de acordo com a ISO 9001:2016 e PED 2014/68/EU. Escolhemos a matéria-prima de melhor qualidade para nossos clientes. A inspeção durante todo o processo de produção garante que os tubos de aço inoxidável e os tubos de liga de níquel tenham acabamento qualificado. Com testes destrutivos e não destrutivos, de acordo com a especificação padrão e a exigência especial do cliente. O centro de testes da nossa empresa tem todos os tipos de aparelhos de teste necessários, incluindo principalmente espectrômetro de leitura direta, espectrômetro portátil, máquina de teste de material universal, máquina de teste hidráulico, máquina de teste de impacto, máquina de teste de corrente parasita, máquina de teste ultrassônico, máquina de teste Huey, máquina de teste de dureza...

    Sobre nós 1º de junho de 2020
  • Lista de equipamentos de teste

    Lista de equipamentos de teste principal Nome do equipamento Descrição detalhada Quantidade (conjunto) Máquina de teste de corrente parasita ECT-308E 1 Máquina de teste ultrassônico CTB-108 1 Máquina de teste ultrassônico potável CTS-23B 1 Máquina de teste hidrostático Máximo de 25 metros 4 Espectrômetro de leitura direta M5000F 1 Espectrômetro portátil (fabricado no Japão) Hitachi X-MET8000Smart 3 Testador de dureza Akashi ATK-F3000 1 Testador de dureza Rockwell HR-150DT 1 Testador de dureza Vickers 1 Máquina de teste universal WEW-600B 6-600KN 1 Máquina de teste de impacto Charpy JB-300B 1 Microscópio metalúrgico 6CHY-D 1 Teste de endoscópio DEPSTECH 2 Micrômetros de tubo (fabricados no Japão) Mitutoyo 3 Testador de espessura ultrassônico UAS5 2-200mm 1 Testador de rugosidade de superfície 1 Teste de corrosão intergranular 2

    Sobre nós 29 de maio de 2020
  • Lista de equipamentos de produção

    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 Testing 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

    Sobre nós 29 de maio de 2020
  • Entre em contato conosco

    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.com

    Sobre nós 23 de maio de 2020
  • Sobre nós

    Guanyu Tube E-Catalogue.pdf 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.…

    Sobre nós 23 de maio de 2020
  • Solicitação de cotação

    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.com

    Sobre nós 23 de maio de 2020