zhejiang tongli transmission technology co., ltd-凯发app怎么下载

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focus on the design concept and technology of the ball valve

ask customer service about the problem you need to know now.

call the corporate hotline right away. customer service consultants are waiting for you online.

office: 0577-65599838
sales department: 0577-65593222
ministry of foreign trade: 0577-65591333
after-sales department: 0577-65593333
fax: 0577-65598888
address: no. 3801 jiangnan avenue, ruian city, zhejiang province
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