Shandong Yanzhou No. 1 Middle School

Beijing Longyuan Decoration Material Co.,Ltd

Hebei Longteng Technology Co., Ltd

Call +8613261317888 

+8618611396905

Email：hblt5566@126.com

Address:Yutian County, Tangshan City, Hebei Province,

Gushu Town Xiangchun Garden, China.

Post Code 064107

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