INAMARINE

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, DOOWIN serves global clients in diving, marine rescue, oil & energy, and offshore shipping. Products are ISO 9001:2008 certified by SGS, BV, CCS, ABS, and LR. Trusted by major contractors and end-users worldwide.

With more than 38 years of experience in dredgers production, JULONG mainly manufactures small and middle sized cutter suction dredgers. Based on the full understanding of the company’s product performance and characteristics, with advanced and reliable production technology, reduce customer procurement costs, supporting processing of various types of accessories, to ensure high-quality supply of accessories, spare parts.

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

Shandong Longcheng Rubber Co., Ltd. – Your trusted partner in marine solutions. Specializing in ship launching & landing airbags, marine fenders (rubber buoys), and rubber hoses. Durable, high-quality, and ISO-certified. Ensure safe, efficient vessel operations with our proven products. Choose Longcheng for reliability on the water. Contact us today!

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 widely trusted in marine engineering. We keep innovating to pursue better product performance.

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.

QINGDAO SKIPPER SHIPPING AGENCY CO., LTD. is a professional international shipping service provider covering all major ports in China to render “one-stop” shipping area services & logistics solutions to our most distinguished clients.

Qingzhou Yongli Mining And Dredging Machinery Co., Ltd. is one of China leading professional manufacturer and supplier of dredging vessels and mining equipment that integrates scientific research, development, design, production, installation and commissioning, and personnel allocation services. Dredging vessels include: cutter suction dredgers, bucket wheel dredgers, jet suction dredgers, siphon sand dredgers, drilling suction sand dredgers, bucket chain sand dredgers etc. The mining equipment includes: floating production platform, bucket chain& jet suction& cutter suction gold/diamond dredger