Shaanxi Welong Import & Export Co., Ltd., established in 2001, is mainly engaged in manufacturing, sourcing and processing of casting, forging, welding and machining etc mechanical products and oil drilling equipment & oil production equipment.

We are specialized in the production of furnace rolls, centrifugal cast tubes and a series of static castings such as sand casting, gravity casting, died casting and investment casting. The products are widely used in metallurgical, petrochemical, ...
Click to continue >>