biodegradable mulch film 1.Long service life 2.Professional manufacturer 3. ... triangle plastic sheetscharacterics1.Binding resistant,press resistant, 2.water-proof ,sun-resistant,anti-aging, tear proof.3.antifreeze,corrosion-resistant, 4 ... ,professional in manufacture------------Weifang Huacheng Plastic Modification Co., Ltd. Hot !!! biodegradable mulch film