our company mainly engage in manufacture and export the equipment of waste plastic or rubber or tyre to refine oil,it is start in 1998.and now our device have sell all over the world,meanwhile we gain the certificate of CE/ISO/GREEN STAR as well as six national patents in this field.it is better for the environment,so choose this device is equal to protect our survive earth.about the more details of the devices,you can visit our websitehttp://sqdh.en.alibaba.com.our company target: eliminate the black and white garbage,benefit the next generation.if you have any questionspls contract us without hesitation.AND WE MUST BE WILL SUPPLY A REASONABLE PRICE FOR YOU