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Heat exchangers are an essential part of HVAC systems, playing a vital role in regulating temperature and improving indoor air quality. These devices help transfer heat efficiently from one medium to ... Read more

Product name:9PC Professional Screwdriver Set Item No.:QX-7436 Blade material: Chrome-vanadium Steel, S2 steel Handle Material: PP, TPR Surface: Satin Chrome Plated/ Chrome Plated/ ... Read more

Product name:8PC Professional Screwdriver Set Item No.:QX-7236 Size: Phillips: PH2X1-1/2", PH1X3", PH2X4", PH2X6" Slotted: 1/4X1-1/2", 3/16X3", 1/4X4", 1/4X6" Blade material: Chrome-vanadium ... Read more

RQ International Logistics Co., Ltd.: We're well-known as one of the best international logistics companies in China. Please rest assured to contact us for reliable air freight service, land ... Read more

Small spur gear is a kind of gear used to transmit rotating power and torque. It is usually used together with large gears to improve Mechanical efficiency . ... Read more