- Great System Int.
- HONEYWELL Transmitter,ROSEMOUNT Transmitter,ABB DCS parts,MTL isolators,ASCO valve,DCS,Transmitter.
- Address:Room 1003 Allied Kojima Building, 138 Gloucester Road, Wanchai, HongKong
- KEM International( Hong Kong) Co.,Limited
- Endress+Hauser,MTL,GESTRA,KOBOLD,WADECO.
- Address:Room 1701, 17 / F, Henan Building,
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