Longda, established in 1993, manufactures brass valves, fittings, and components. We supply high-quality brass products to international manufacturers and wholesalers in plumbing, hydronic heating, and related sectors. In addition to traditional brass items, we offer OEM and ODM services. Our mission is to deliver exceptional service while developing smarter, energy-efficient, and greener products
Zhejiang Hongsen Machinery Co., Ltd.
HONGSEN is a manufacture have focused on refrigeration service tools and system parts for more than 30 years, have distributors in more than 60 countries, and have close cooperation with several world-famous brands
Winters Instruments
Winters is a leading global manufacturer of pressure gauges, pressure transmitters, pressure switches, diaphragm seals, thermometers & digital instruments. | Since 1953, Winters Instruments has been manufacturing quality-built instrumentation for all markets that require pressure and temperature measurement. Through the years, the company has grown in size and reputation and is now a leading global manufacturer of industrial instrumentation. Our comprehensive product line of pressure gauges, pressure transmitters, pressure switches, diaphragm seals, thermometers, temperature sensors, valves and various accessories are brought to market by an extensive network of distribution partners and are trusted by some of the world’s most recognized Fortune 500 companies. Winters Instruments currently operates from 8 worldwide offices. Winters is a 2023 Gold winner of Canada’s Best Managed Companies program.
Wilspec Technologies Inc.
Wilspec Technologies is a manufacturing company specializing in the production of custom HVAC/R pressure, temperature, electrical, and valve controls for all major OEMS.
Westermeyer Industries Inc.
Westermeyer Industries designs, manufactures, and distributes high-quality components for the refrigeration and air conditioning industry, both for commercial and industrial applications. The company’s engineering team offers complete design services, providing custom components to fit unique system specifications, as well as a standard offering of catalog components. Westermeyer also offer a variety of specialized products and services from simple metal fabrication to custom subassemblies.