High Pressure Hose, Oil Hose, Hydraulic Hose manufacturer / supplier in China, offering High-Performance API 7K Rotary Drilling Hose - Durable Rubber Flexible Hose, Flexible Hydraulic Hose - API 7K Rotary Drilling Hose for Extreme Conditions, API 7K Rotary Drilling Hose - Heavy-Duty Flexible Hydraulic Rubber Hose and so on.