http://pastport.jp/user/YAHENG ja-JP Established in 2003, as a specialized HVAC fittings manufacturer, we have been focusing on producing various types of parts in copper, brass, aluminum and stainless steel for 2 decades. 2024-05-07T09:57:01+0900 http://pastport.jp/user/YAHENG/timeline/Chengdu%20Yaheng%20Refrigeration%20Fittings%20Co.Ltd YAHENG http://pastport.jp/user/YAHENG/timeline/Chengdu%20Yaheng%20Refrigeration%20Fittings%20Co.Ltd