... Firm Structure 4) OEM Service Products Instruction:1) Filter Kinds: Air-conditioning Filters, Air Filters, Plastic Filters, Nylon Filters2) Material: Plastic, Nylon3) ... a large variety of products parts.2. we can design, make molds by ourselves and provide best sales after serviceYuyao ... area is 1800 square meters. Our factory owns the plastic injection equipment of 2000g, 800g, 500g, 300g and 100g. We ...