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Our company mainly deals in marine valves including stop valves, gate valves, storm valves, air pipe heads and other related products. We own independent molds and advanced processing equipment. Our products feature stable quality and high cost performance. Warmly welcome all customers to inquire and cooperate.

Jerryborg Marine is based in Qingdao, specializing in advanced marine fenders and mooring systems. With over 15 years of experience, we supply high-quality marine rubber fenders, airbags and hoses. Core parts of floating fenders are made in-house to maintain stable quality. We optimize fender systems to extend service life. Our products are sold globally and […]

We manufacture marine valves, air vent head, seawater strainer, globe valve, check valve, gate valve, hose valve, storm valve, quick closing valve, etc.

DOOWIN is China’s leading manufacturer of underwater lift bags, marine salvage bags, and crane test water weight bags, complying with IMCA D016 and LEEA 051. Products include open-bottom, enclosed, and pillow lift bags for diving, salvage, and pipeline buoyancy support. Water weight bags serve crane and lifeboat proof load testing. With 30+ years of experience, […]

Qingdao Boyuan Rope Co., Ltd. is a comprehensive high-tech enterprise integrating design. production and sale. We can provide international recognized products thanks to our efforts to introduce advanced technology andequipment and upgrade production process over the past 20 years since our inception. As market globalization moves forward rapidly, we have improved a variety of product […]