--- title: FAQ date: 2025-04-10T02:09:08Z modified: 2025-08-11T12:01:52Z permalink: "https://www.xintaivalves.com/faq/" type: page status: publish excerpt: "" wpid: 8747 featured_image: "https://www.xintaivalves.com/wp-content/uploads/2024/12/222.jpg" timestamp: 2025-08-11T12:01:52Z tags: [] --- # The Most Frequently Asked Questions You Want to Know The answers to the most frequently asked questions about our products can be found here. Should you want to know more, we are at your disposal personally. [ Contact us ](https://www.xintaivalves.com/wp-content/uploads/wp-mfa-exports/page/contact.md) ![](https://www.xintaivalves.com/wp-content/uploads/2025/04/d3b37d1941e7b48ebd341e8250275af-2.webp) ## Enterprise Questions ##### Most frequent questions and answers Can you introduce your company? Xintai valve group established in 1998, we have a workforce of 580 employees.Our precision machining bases located at four regions: Wenzhou Airport New Zone, Oubei, Tianjin, and Lishui.We have own foundry in Wenzhou. Our main products are ball valves, gate valves, globe valves, check valves butterfly valves, strainer, safety valve etc, mainly used in oil and gas, chemical, water treatment, power plant and defense sectors. What is your annual Output? Our annual output is 270,000 valves. What certifications do you have? Our certifications include: 1. ISO 9001 (Quality Management) 2. ISO 14001 (Environmental Management) 3. ISO 45001 (Occupational Health & Safety) 4. CE Certification 5. SIL Certification (Safety Integrity Level) 6. API 6D, API 600, API 602 (Petroleum Industry Standards) 7. API 624 (Emissions Testing) 8. ISO 15848 (Valve Sealing Performance) Do you have experience working with industry leaders or notable projects? Yes, we have cooperated with customers in more than 50 countries around the world, like PETRONAS, PETROBRAS, PARCO, Argentina YPF,Singapore municipal water treatment project and so. ## Product Problems ##### Most frequent questions and answers How to select the optimal valve type for my operating conditions? It is recommended to choose from the following 4 dimensions: ① Medium type (gas/liquid/corrosive substances) ② Working temperature (stainless steel and carbon steel are recommended for -29℃~200℃, and special alloys are required for ultra-high temperature) ③ Pressure level (cast iron can be used for low pressure PN16 and below, and forged steel is required for high pressure PN64 and above) ④ Control mode (manual/electric/pneumatic)Actuation Method: Manual/Electric/Pneumatic Can you provide customized valves? Yes, we can do customer-made valve, please provide specifications including size, pressure, material, end connections. What pressure classes and dimensional standards do your valves cover? Ball Valve:1/2″-48″(DN15-DN1200 ) Class 125-2500#(PN6-PN420) Butterfly Valve: 2″-128″(DN50-DN3200 ) Class 125-600#(PN6-PN100) Gate Valve: 1/2″-60″(DN15-DN1500 ) Class 125-2500#(PN6-PN420) Globe Valve: 1/2″-24″(DN15-DN600 ) Class 125-2500#(PN6-PN420) Check Valve: 1/2″-28″(DN15-DN700 ) Class 125-2500#(PN6-PN420) Which industry standards do your valves comply with? Our valves comply with the international mainstream standards API6D,API600,API602 standard, GOST standard, DIN standard, JIS standard, GB standard. ## Sales Problems ##### Most frequent questions and answers What is your MOQ? No request on the MOQ.1 set is ok for us. What is your payment term? We primarily accept T/T,30% for deposit, the balance paid before shipment. What is your delivery time? The normal delivery time is 45 days, it depends on the order volume and product complexity. Do you provide sample? Yes, we furnish sample for comprehensive evaluation to guarantee that the mass-produced goods will fully comply with the project specifications. Can you provide product technical drawings? Yes, we provide technical drawings to ensure that the production is in full accordance with the drawings We normally provides drawings for customers to check and confirm before production. ## Service Problem ##### Most frequent questions and answers How do you ensure product quality? We have a professional quality inspection team , providing full-process quality inspection from raw materials to casting, finishing, assembly and final inspection. Each batch of valves comes with a product inspection report to provide customers with high-quality and reliable products. How long is the warranty period? The warranty period is 12 months since shipment. What should I do if I experience problem during product use? Please provide video or picture so that our engineering team can check the cause of the problem, and we will provide online technical guidance, and if necessary, we will resend a new set of product to you. ### Our Expert Will Respond to You Within 24 Hours [ Contact us ](https://www.xintaivalves.com/wp-content/uploads/wp-mfa-exports/page/contact.md)