Henan Zhengyi Construction Machinery Co., Ltd

Drier(industrial drier) is mainly used to dry raw materials with a specific humidity and size in industry like ore dressing, building materials, metal

Jaw crushers series made by Henan Zhengyi Construction Machinery Co.;Ltd has the top quality with competitive price. This series of jaw crusher is ma

Henan zhengyi construction machinery Co., Ltd is an entity of researching and producing machinery. We have our own R&D team and have a technical suppo

ball press machine is mainly used to make coal briquette, cold pressed ball of scrap metal powder in metallurgy. Ball press machine is always needed f

Autuoclave is a big container-like pressure equipment, it is used to steam and cure the green body of sand lime brick, fly ash brick, aerocrete block,