KS Q ISO 9001 : 2006 /
ISO 9001 : 2008
R&D dept certi by Korea Government
Venture Eneterprise certi by Korean Government
In-Biz certo by Korean Government
Patent for control valve on folding hatch cover
Patent for control valve on Side rolling hatch cover
Head Quarter : 20 Gwaegam-Ro, Sasang-Gu, BUSAN, South Korea (617-208) Tel : +82 51 311 3571 / Fax : +82 51 311 3572
changhae@chhydro.com / chhydro1@korea.com
Sales office : no 117, 4 Dong, BUSAN Industrial supplies market, 37 Gwaegam-Ro, Sasang-Gu, BUSAN, South Korea / Tel : +82 51 319 3571 / Fax : +82 51 319 3576
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