Shandong Crownchem Industries Co., Ltd. អាស័យដ្ឋាន 4TH East Road, Fengshui Town, Zhangdian District, Zibo City, Shandong, China អ៊ីមែល info@xinye-chem.com 175204424@qq.com ទូរស័ព្ទ +86-18653359489 +86-533-2092289