@astao377активность: 7 месяцев, 4 недели назад
BMC, SMC, PA, ABS and other molded products According to the needs of customers to make mold, select materials, production and processing products. 1. Prevent noise pollution. Compared with the metal manhole cover, the vehicle passing will generate a lot of noise, especially when the cover seat is loose, it will cause harsh noise. The SMC […] Просмотр
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