GRAND D.K. CO., LTD. 1/17 Moo 2, Rama 2 Road, Thasai, Muong Samutsakhon74000, Thailand. Tel. (6634) 490079-80, 490179-181 Fax. (6634) 490081, 410675 Email: [email protected] www.packedvalve.com, www.servicevalve.com, www.servicevalve.net, www.granddk.co.th