GRAND D.K. CO., LTD.
1/17 Moo 2, Rama 2 Road, Thasai, Muong Samutsakhon74000, Thailand.
Tel. (662) 8080457, 8080458 Fax. (662) 8081217, 8081218 
Email: grand@loxinfo.co.th
www.packedvalve.com, www.servicevalve.com, www.servicevalve.net