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At the same time, refuse incineration boiler applying two-section reciprocating grate technology has passed the national reviewing and acceptance test, successfully got the National Invention Patent Certificate, National Key New Product Certificate and National Environment-friendly Product Certificate, and obtained the second prize of National
Utility model patent certificate. Come from：Shandong Huayuan Boiler Co., Ltd Date：2019/5/15 Click：36. Related pictures. Installation and Retrofit of Class A Boiler. Class A Boiler Manufacturing License. Class A boiler qualification. Environmental management system. Products Recommended.
Qingdao Shengli Boiler Co., Ltd. was established in 1979. After nearly 40 years of development, our company has become a modern professional industrial boiler enterprise which integrates boiler research and development, design, production, installation and commissioning.