Changzhou Duolengduo Foundry Co.,Ltd. 

Zip Code：213125

Tel num：86-0519-83261141

Fax num：86-0519-83268192

Website：

Address：518 West Road, Xinbei, Changzhou Hehai

Changzhou Duolengduo Foundry Co.,Ltd. Gas Branch

Zip Code：213125

Tel num：86-0519-85958886 86-0519-85958887 86-0519-85958889

Fax num：86-0519-85958885

Website：

Address：Changzhou City, North Huanghe West Road 232