Changzhou Guozhen Machinery co., Ltd is a manufacturer of rotary valves, air locks, rotary air locks, roots blowers, three-lobes roots blowers, etc., with well-equipped testing equipment and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in petrochemical, pharmacy, amylum, axunge, chemical drying, dedusting, metallurgy, environmental protection, electron, coal, civil construction, electric machinery and feeding stuff and other industries.



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