... and development staff,so can offer different size to meet clients requirement. PTFE special articles in hot sale: Company:Huzhou Songhua ... service, competitive price. 1,Appearance request: It is homogeneous in structure, smooth surface, no defects of air bulbs, crevices ... methods of moulding. 3.Specifications:Ptfe special articles is homogeneous in structure, smooth surface, no defects of air bulbs, ...