The products of our factory are strictly manufactured according to API-7K Standard, and got the ISO9001-2000 international quality system very early. Our products are sold very well to Shengli Oilfield, Daqing Oilfield, Zhongyuan Oilfield etc in China, Meantime, export to USA, Canada, Brazil, Europe, South Asia etc more than 70 Countries and Areas. The factory is a First Grade Supplier of SINOPEC&CNPC.
“High Quality of Products, Best Price and Excellent Services? Fixed the cooperation base with our Customers. We sincerely welcome friends from home and abroad to our factory for business negotiation.

Details:

Bi-metal liner is one of the main products of our company, and is currently the most widely used, one of the biggest mud pump hydraulic parts. Our production bi-metal liner is a combination of hot forging high wear coat and the advantages of high chrome wear-resisting corrosion inner sleeve. The outer sleeve is made of quality carbon steel hot-pressing time forming, inner sleeve made from high chromium cast iron centrifugal casting. And the tensile strength of our sleeve is higher than 900000 psi, the hardness of inner sleeve after heat treatment is greater than HRC62, and can bear the mud pressure of 7000 psi, its surface smooth as a mirror, inner hole size tolerance strictly, the normal service life is up to 800 hours. We can produce F series, PZ , 3NB, T, TPK, UNB, UNBT, BRN, such as various types of cylinder liner.

We can supply these liner or according to your drawing :
BOMCO&EMSCO:
F-500 F-800 F-1000 F1300 F1600 FB-1300 FB-1600 D-375 D-700
LANSHI:
3NB-1300C 3NB-1000 3NB-1000C 3NB-800
QINGZHOU:
SL3NB-1300A QZ--1000 QZ-500 QZ-350 QZ800 SL3NB-1600
GARDNER DENVER:
PZ-7 PZ-8 PZ-9 PZ-10 PZ-11
IDECO:
T–500 T–800 T–1000 T–1300 T–1600
NATIONAl:
7-P-50 8-P-80 9-P-100 10-P-130 12-P-160 14-p-200 14-P-220 K-700 K-700A K-500 K-500A
OILWELL:
A–350PT A–560PT A–600PT A–850PT A–1100P A–1400PT A–1700PT
RUSSIAN:
8T-650 UNBT-600 UNBT-950 UNBT-1180L UNBT-950A UBT-400 BT-600 UB-590 UNB-600 8T310 8T650-01