OUR ADDRESS

Weifang Factory Address: Changyi Longchang Bio-chemical Co., Ltd.

Shibu Development Zone, Changyi City, Weifang City, Shangdong Province, China

Jinan Address: Shandong Changhong Chemical Co., Ltd.

2411, Building 3, Aosheng Building, High-tech Zone, Jinan City, Shandong Province.

Whatsapp: (+86)13256193735

Contact with us by phone.

Email: info@changhongchemical.com

Contact with us by email.