2222膜片厚度精准小型压延机实验室PC塑料挤出机设备普同potop

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Guangzhou city pu-pong experimental analysis instrument ltd

Address:Guangzhou city, guangzhou city, guangdong province
Tel:13580599870

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13580599870

2222膜片厚度精准小型压延机 实验室PC塑料挤出机设备 普同potop