Yu-Diing Enterprise Co., Ltd.

Mr. Joshua Song
Tel: +886-2-86885959 

Fax: +886-2-86888989

 Email: sales@yudiing.com

DongGuang YuDing Spring Co., Ltd.

Mr. Tomson Song
Tel: +86-769-83016615 

Fax: +86-769-83016760
Email: service@yudiing.com

QQ: 1490186585

SuZhou GuangLi Mould Co., Ltd.

Mr. Daniel Song

Tel: +86-512-66026797~9 

Fax: +86-512-66026796
Email: spring@yudiing.com

QQ: 1677589841