Beijing Zhongke Environmental Testing Instrument Co., Ltd
Main products: salt spray test chamber, high and low temperature test chamber, electric blast drying chamber, ultraviolet aging test chamber, vibration testing machine, xenon arc lamp aging test chamber, vacuum drying chamber, sand and dust test cham
Introduction
Main products: salt spray test chamber, high and low temperature test chamber, electric blast drying chamber, ultraviolet aging test chamber, vibration testing machine, xenon arc lamp aging test chamber, vacuum drying chamber, sand and dust test chamber, etc.
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We develop, design and manufacture special ball-valves
for the chemical, pharmaceutical and food industries.
Liyang Qingfeng Fine Chemical Co., Ltd. was established in 1987, mainly producing m-chloroaniline (800 tons/year), 4,7-dichloroquinoline, sodium thiosulfate (300 tons/year), and phthalic anhydride