30-year seal manufacturers Yada Industry and Trade | Agent] [curtain seals | curtain wall seal provided by Jada Trade and Industry. We are Tianjin Adar Ltd. (www.yada-mfj.com) in: Tianjin professional: the production of various seals, sealing tape, seal, and miscellaneous items such as a variety of custom shaped [Asia Industry and Trade to recommend star product - the actual seal] the key is sealed windows and doors, seal or bad seal plays an important role. Market with a seal material is generally modified PVC curtain wall sealing strip brands in soft PVC in its key role is nothing more than the quality of its inside walls adding plasticizers seal, the relatively stable plasticizer octyl phthalate phosphorus fat curtain wall sealing strip agents, two small fat. With the prices of various petrochemical products continues to rise, seals and other rubber products prices also rising. [Jada Industry and Trade to recommend star product - Seal] some irresponsible manufacturers look at short-term benefits, beginning from unfair competition (the so-called shoddy materials aspects, shoddy curtain wall sealing strip prices, with waste oil , the rest of the oil refinery and other foundation instead of quality plasticizers), giving consumers a big risk. In the process of making the door, put the seal of the proportion of small, but its role has not be ignored, doors and windows sealed quality identification methods include the following: