Happy (Tianjin) Technology and Development Co., Ltd. is based on integrity of Research & Development, Manufacturing & Sales. Our main products include steel wire reinforced hydraulic hose, high pressure drilling rubber hose, polyester cord reinforced rubber hose, oil & water suction & discharge rubber hose, acid & alkali resistant rubber hose and so on.



We have international level and domestic leading fully-automatic production machine which compose more than 20 production lines. Our yearly ...