1.Eco-friendly 2.high heat resistance 3.Anti-dust 4.anti-aging 1.The products of plastic box seals is Ecofriendly ,high quality with competitive price. good after service2. jia jie plastic seals ring perennial production and marketing of high quality, high standard of preservation of box of silicon rubber sealing ring,3. the products of the preservation box seals with imported raw materials, ...