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API 16C Hose Producticon Process
(1)Inner Rubber Layer Extruder
(2)Steel Wire Reinforcement
(3)Middle Rubber Layer and Reinforcement Layer
(4)Outer Rubber Layer
(5)Marking and Cloth Wrapping

Producticon Process
(1)Hose Cutting
(2)Fire Resistant Rubber Layer
(3)Stainless Steel Braiding
(4)Connection Crimping
(5)Pressure Testing

Company Introduction
Company Profile
Hebei Jingbo Petroleum Machinery Co.,Ltd., founded in 1986, is committed to providing quality oilfield hoses worldwide. Jingbo has almost 40 years’ experience in the oilfield hoses area and is the leading manufacturer of rotary drilling hose, rotary drilling hose, BOP hose, hammer unions, swivel joints, pup joints, etc. Jingbo is also the first grade supplier of CNPC, SINOPEC and CNOOC. As China’ s first API authorized manufacturer of oilfield hoses, Jingbo has got the certificates of API Spec 7K-0376, API Spec 16C-0374, API Spec 16D-0140 and API ISO 9001-2008.

Jingbo sets up advanced laboratory and is committed continuously to improving production technology. The development of new formula improves the production efficiency and product quality. Jingbo has strong quality control team and tests each batch of material. A 100% full inspection of finished products before delivery is made to provide quality products for customers.

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