JL Industrial Product Inc.
Address: No.1 Tianyuan Road, Lingxian
County, Dezhou, Shandong P.R.China
Tel: 86-0534-8293008
Fax: 86-0534-8293001
E-mail：service@jlipi.com
In order to maintain good casting quality, the sand quality and composition are checked and controlled on a constant basis.