Shandong Jichanglong Environmental Engineering Co.,Ltd.

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We will cherish every chance to build a long friendship

[2017/02/16]

Changyu has a competitive employee team with 200 persons

[2017/02/16]

we are using the C5 and C9 distillates mainly as the raw material

[2017/02/16]

Puyang Changyu Petroleum Resins Co., Ltd. is a professional petroleum resin manufacturer in china

[2017/02/16]

Welcome to our company!

[2015/07/15]

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