Yantai Sunny Rubber Co., Ltd(drafter of rubber filter belt in China) was founded in 2005, located in Songshan Development Zone, Yantai City, Shandong Province. It is a civil company shifted from military technology (Belonging to Nuclear industry system previously). It is a high-tech enterprise engaged in designing, manufacturing and sales of rubber filter belt, rubber conveyor belt, and proposing, installation and service of air bladder support gate(pneumatically operated spillway gate).

The Beijing IWHR Corporation (BIC), founded in July 1993, is an international high-technology company subordinated to the China Institute of Water Resources and Hydropower Research (IWHR). The BIC has implemented the integrated ISO9001 management system. We have many qualifications in the following areas: Engineering survey, engineering supervision, water conservancy and hydropower design, hydraulic construction, and international project contracts.

Dalian Yingyu Co., Ltd. is a leading designer and manufacturer of seals and rubber products with over 20 years experience. We are serving the needs of countless industries from bearing and automobile to valve and machine. The products are exporting to many countries and well received. There are more than thousands of clients keeping in touch with us.

Hebei Hengyang Equipment Manufacturing Co., Ltd.

Qingdao Manwo Vibration Technology Co., Ltd Lies in Qingdao. The company introduces the advanced European and American technology, adheres to the concept of technology and quality first, adopts advanced materials, structural designs, manufacturing process and testing standards, to provide customers with safe, stable and cost-effective products. Our Company mainly develop Air spring, Air suspension, air compressor and suspension parts for luxurious cars of after-sales markets, including Mercedes Benz, BMW, Audi, Land Rover, Porsche, VW and so on. Meanwhile we also provide all kinds of rubber products, including rubber conveyor belt, rubber dam, rubber floor, related machines and so on. High-top quality and competitve price help us win good reputation from our clients. Until now we have expoted our product to USA, Canada, Australia, Russia, Switzerland, Estonia, Korea, UAE, Kuwait, Saudi Arabia, Tailand, Philippines, South Africa and so on. The quality of our products have won praise and recognition from our customers.

Hengshui Aohong Engineering Materials Co., Ltd. Specializes in providing comprehensive, one-stop engineering material solutions for global infrastructure construction. As an integrated enterprise combining industry and trade, we focus on the research and development, production, and sales of high-quality engineering materials. Our product line encompasses multiple series such as corrugated pipes, waterstops, shock absorption and isolation bearings, expansion joints, and fiberglass reinforced plastic (FRP) cable trays, with hundreds of varieties and tens of thousands of specifications and models. These products are widely used in various construction fields including highway bridges, railway and tunnel projects, subway construction, reservoir facilities, power plant projects, and high-rise buildings.

Zhonghao Filtration Equipment Manufacturing Co., Ltd. is a professional enterprise specializing in the field of sludge filter pressing and solid-liquid separation technology. With years of industry experience and technical accumulation, the company has established itself as a comprehensive service provider integrating research and development (R&D), production, sales, and engineering services for various filtration equipment. Our core business revolves around the in-depth study of sludge dewatering solutions and the customized design and installation of complete solid-liquid separation systems.

Deyuan Marine Co., Ltd is a subsidiary company of China deyuan marine fitting Co., Ltd, .

HENGSHUI JINGTONG RUBBER Co., Ltd located in Hengshui City, hebei provice, where very close to TianJin City, Beijing city, So convenient transportion. Registered capital is 101 million RMB. It covers an area of 200 thousand square meters, including 3000 square meters workshop, and 2000 square meters for testing, there are more than 200 employees, including 10 engineers and 10 testing workers.