hangzhou heshan tech co.,ltd. moved to hangzhou west greentown zhongtai industrial area on oct 8th,2012, company specialized in researching and developing elevator air conditioner, elevator car air purifier, and hydraulic elevator oil cooler product and committed to air purification, ventilation and energy conservation...
- elevator air conditioner“heshan " brand elevator air conditioner not only has cooling, ventilation, dust removal...more>>
- air purifiercompany recently developed powerful tjhq series sterilization system. the system uses high-power uv lamp for.more>>
- hydraulic elevator oil coolerwhen the hydraulic system of the hydraulic elevator is working, the oil plays a double...more>>