Zhejiang Tianhe Environmental Technology Co., Ltd is a Sino-foreign joint venture and a high and new technology enterprise specializing in producing biodegradable master batch, sheet material, and resin bags. The biodegradable sheet material is mainly used to produce high-grade throw-away cutlery, inner lines of electronic products, cosmetic, health products and gift package, etc. The biodegradable master batch is mainly used to produce high-grade plastic bags, food package film etc. The products have many advantages, their performance of biodegradation, quality and performance-price ratio have been greatly improved compared to the traditional degradable plastics.