国产成人综合在线视频,韩国激情高潮无遮挡,婷婷综合缴情亚洲五月伊,欧美综合人人做人人爱

  中文版 - ENGLISH
 
Top Products
•
•
Contact Us
Manufacturing base:
NO. 16, Guangtong Road, Longquan Town, Zichuan District, Zibo City, Shandong, China
Oversea Sales:
Tel: 86-532-86959667 Fax: 86-532-86760085
E-mail: sales@changyuintl.com
Domestic Sales:
Tel: 86-533-5860002、86-533-5860039 Fax: 86-533-5860296
E-mail: gtsales@changyuintl.com
Branch
• Zibo Guangcheng Chemical Co., Ltd.
• Shandong Guangyin New Materials Co., Ltd.
• Zibo Guangyuan Biological Co., Ltd.
• Qingdao Guangtong International Logistics Co., Ltd.
• Qingdao Guangtong Biotechnology Development Co., Ltd.
• Zibo Guangtong Hospital
• Zibo Hengli Cement Co., Ltd.
• Shandong Guangyin DKK Environmental Technology Co., Ltd.
• Shandong Guangyin DKK New Materials Co., Ltd.
• Qingdao Lilai Fine Chemical Co., Ltd.
 
Copyright(C)2015 , Shandong Guangtong New Materials Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice