Tabung baja mulus kanggo boiler tekanan rendah lan medium - Gold Sanon International Co., Ltd.

Tabung baja sing mulus kanggo boiler tekanan rendah lan medium

GB 3087 standar pipa baja campuran boiler mulus

Pipa Baja Paduan Boiler Seamless Kanthi Sertifikasi IBR Tekanan Sedheng Tekanan Rendah Kanggo Penjualan Panas Pasar India

GB / T 3087-2008: 10 # baja, 20 # baja

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