Ahlstrom is one of the world's leading players in sustainable and innovative fiber solutions. Our mission is to expand the role of fiber-based solutions for a sustainable everyday life.

Our company specializes in the production and distribution of biochemical products, including ALZET permeation pumps, Affinity Immuno assay kits from Canada, and Invitrogen transfection reagents.

Herolab is a German company specializing in laboratory instruments, particularly centrifuges and particle analysis equipment.

Hangzhou Hengshui Filtration Equipment Co., Ltd. is a professional manufacturer of microporous folded filter elements, PP filter elements, polyether sulfone membrane filter elements, polytetrafluoroethylene filter elements, nylon membrane filter elements, PES filter elements, PTFE filter elements, gas sterilization filter elements, large flow filter elements, stainless steel filters, and air filters.

Shuidi is a leading technology company specializing in innovative solutions and products in the water and sanitation sector.

3M applies science and innovation to make a real impact by igniting progress and inspiring innovation in lives and communities across the globe.

We make essential innovations the world needs now. From protective equipment, to delivering clean water and enabling smarter, faster electronics; we use science and innovation to make so many of the things you use every day possible.

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.