... of stamping parts, machining parts, fabricated parts, welded steel structure parts Zhuji Feida Yueyang Environmental Science & Technology Co ... , sales, overhauling and renovation of Air Pollution Control Equipment such as Electrostatic Precipitators, Fabric Filters, ... of stamping parts, machining parts, fabricated parts, welded steel structure parts, spirals & springs, kitchen utensils and appliances ...