ningbo chap mechan-electro-hydraulic s&t development co.,ltd. based on the advanced manufacturing industry, takes electro-hydraulic control technology as core, on the basic of hydraulic pressure and electro-hydraulic control and takes the integrated machinery as direction to form the trinity of machinery electricity and hydraulic, takes the promotion of social development as its mission, it?s consisted of the following holding companies: ningbo hoyea machinery manufacture co.,ltd. ningbo chap machinery manufacture co.,ltd., ningbo huasu machinery manufacture co.,ltd., ningbo huapu industry control technology co.,ltd.