... introduction of Shandong Zhongtian Industry Co., Ltd (Former Name: Jinan Dinghan Building Materials Co., Ltd, and Jinan Donghan Building Materials Co., Ltd), it ... received high reputation from the customersZhongtian Industry Co., Ltd covers an area of 100,000 Square Meters, initially; the ... Joint Venture Named JinanDingtao Wooden Products Co., Ltd is founded in the year of 2008, it mainly produces and ...