Relying on advanced technique and strict quality control , VIT /VIC has been widely used in Shengli Oilfield (market share is over 40%) and also been exported to Canada ,Kazakhstan ,Oman and etc.
1.High insulation class
Advanced three –class vacuum pump ,automatic welding machine and online RT&MT guarantee the vacuum degree class D ,Class E.
2.Long life span
1)No insulation class decline in outdoor storage test
2)keep excellent insulation performance after many years application
Outer tube OD*Inner tube ID(mm)
Outer tube OD*W.T(mm)
Inner tube od*W.T(mm)
3 1/2 USS Premium
4 1/2 BC Premium
4 1/2 BC Premium
5 BC Premium
5 1/2 BC Premium
7 BC Premium
High quality and efficiency, Science and technology leading, Top level service, Customer satisfaction.
We set the high standards of quality, safety and value in each processes such as R&D,purchase, manufacture, inspection. Following the requirements of ISO9001 and QPI QI, we have built a integrated and effective quality management system. We control the quality strictly with the scientific production process coved the whole processes from Supplier qualification review to raw material inspection, from surface material to material composition, from hardness to strength, from the real time monitoring in manufacturing process to the complete inspection before delivery. Our excellent quality management system can ensure the high-level and stable quality and guarantees the product qualification rate reach 100%.
We have all kinds of advanced testing and inspecting equipments covering the material testing, chemical detection, mechanics testing, nondestructive testing, fatigue test, and others testing customer required. With these advanced equipments, it is easier for product optimization, performence testing and quality control to ensure the stability and promotion of products.
Packaging & Shipping
Q1,Could you do OEM Service?
A: Some items accept this service, pls contact us for details.
Q2: What’s your Delivery Time? A: In generally , the delivery time is about 3-7 days for sample order. We will make the delivery asap with the guaranteed quality.
Q3:What’s the convenient way to pay? A: Trade Assurance, L/C,T/T,Western Union and Escrow are accepted , and if you have a better idea, please feel free to share with us.
Q4:Which mode of transport would be better? A: In general , we advice to make delivery by sea for large order, and for small order,Courier,By Air both ok,Also we respect your views of other transportation as well.