Grande-Tek Flow Control Co., Ltd., manufacturer of ball valve and fittings for 29 years, 1000 workers, 67000 ㎡workshop, have got ISO, CE & API 6D&607&608&PED, ATEX&SIL2, watermark and ISO15848 certificates, LR&BV&CCS, CR&EAC, and so on.
Grande-Tek Flow Control Co., Ltd., manufacturer of ball valve and fittings for 29 years, 1000 workers, 67000 ㎡workshop, have got ISO, CE & API 6D&607&608&PED, ATEX&SIL2, watermark and ISO15848 certificates, LR&BV&CCS, CR&EAC, and so on.