@drymoisture
Active 3 년, 2 개월 전
Metal pall rings are a significant type of pall rings. Metal pall rings can be customized into different sizes. In very hostle environments, they are more resistant to corrosion and rust compared with plastic pall rings. Metal pall rings are made primarily from carbon steel, galvanized steel, and other materials. There are two layers of windows […] 보기
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이런 !! 아직 사진이 없습니다 !!