Freudenberg Filter Technologies Group originated in Germany, providing efficient filtration solutions for automotive, consumer goods, and industrial applications, as well as liquid/air filters, automotive filters, HVAC filters, and water purification cartridges.

Superior Distributing specializes in HVAC products and services.

Wuxi Hefeng Machinery Equipment Factory has production equipment and a professional team, striving to provide customers with satisfactory calenders, rubber extruders, cutting machines, filter machines, silicone extruders, two-roll calenders, three-roll calenders, and single-column hydraulic machines.

Laemmegroup is a service company with specialized laboratories for food, feed, and water analysis intended for human consumption. By employing the latest technologies, it performs analyses for all sectors of agri-food production, ensuring quality and safety in the food supply chain.

Sirena offers a range of products designed for home care and cleaning, focusing on innovative solutions for a healthier environment.

净化工程，大连地区IT商品集采购、销售、维修、上门为一体的综合网站，辐射辽宁，开拓全国。

Our company specializes in the development and manufacturing of switch and door life test machines, anti-siphon devices, and anti-submersion test equipment.

Nanjing Epuida Technology Development Co., Ltd. (www.eped.cn) is a well-known domestic manufacturer of ultra-pure water machines, laboratory pure water systems, laboratory pure water devices, and laboratory pure water equipment. Founded in 2000, the company integrates research and development, production, sales, and service. The company has over 15 years of experience in laboratory pure water and ultra-pure water production, renowned for its exquisite craftsmanship and stable quality.

AquaWorld specializes in aquatics-related products and services, offering a wide range of solutions for water enthusiasts and professionals.

Lovibond is a manufacturer specializing in color measurement and testing instruments, primarily for water, food, and chemical industries.