• Model NO.：ZS20170327
• Application：Well Drilling
• Sample：Avaliable
• Product Name：Spiral Nylon Rigid Centralizer
• Features：Low Firction
• Transport Package：Wooden Case
• Specification：4-1,2" to 20"
• Trademark：ZS
• Origin：Henan
• Production Capacity：20000 Piece,Pieces Per Month

Size(inch)Inner Diameter(mm)Outer Diameter(mm)Height(mm)13-3/834340013010-3/42763081209-5/82473081207-5/819724312071802121205-1/214321312051301511204-1/2117148100410411880 
Company introduction
Puyang Zhongshi Group Co. Ltd, is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. 
 
Our group have more than 10 years export experience and 9 subsidiary factories, more than 500 employees.We are the first-class supplier of resources market of SINOPEC and CNPC.  Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.

We have API certificate for our products.