gas sampling bag

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[CN] Dalian Hede Technologies LTD. [Manufacturer]
Key Products/Services:
Business Overview: Dalian Hede Technologies LTD.is a manufactory of gas sampling bags....

[CN] Dalian Hede Technologies Co., Ltd. [Manufacturer]
Key Products/Services:
Business Overview: Dalian Hede Technologies Co., Ltd. is located in Dalian, a beautiful coastal city in north of China. Hede is a high-tech chemical enterprise integrated with...