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• • 2020-03-10 energy saving propaganda, we are in action
• • 2020-03-10 yang xichun, deputy director of the municipal economic and information commission and his delegation visited hengyuan for investigation and guidance
• • 2020-03-10 gu jianhua, secretary of the county party committee and his delegation visited hengyuan for investigation and guidance
• • 2020-03-10 "customer oriented" -- ma liantao, chairman of the board of directors of the company, visited the customer site to communicate
• • 2020-03-10 hengyuan profits from waste and is invited to asia's largest environmental protection exhibition -- the 19th china environmental expo successfully concluded
• • 2020-03-10 analysis of preparation technology of high performance lightweight aggregate -- ma liantao
• • 2020-03-10 warmly congratulate our company on obtaining the invention patent of "a kind of fly ash coated sludge ceramsite and its preparation method"
• • 2020-03-10 linqu guests of the first weifang development conference visited the development of financial industry in our county
• • 2020-03-10 director meng of shandong provincial wall reform office and his delegation visited shandong hengyuan for investigation and guidance
• • 2020-03-10 the party and government delegation of the economic and information commission of shuozhou city, shanxi province visited shandong hengyuan
• • 2020-03-10 ma liantao, chairman of the board of directors, won the title of "2017 excellent entrepreneur of china's comprehensive utilization of fly ash"
• • 2020-03-10 actively explore the international market and continue to write a new chapter of solid waste disposal
• • 2020-03-10 ccpa lightweight aggregate and lightweight aggregate concrete branch leaders visit
• • 2020-03-10 hengyuan liju was invited to attend the 9th china environmental industry conference
• • 2020-03-10 mr. tian and his delegation from shouguang environmental protection bureau visited hengyuan

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