

Qingdao Lezhong Machinery Manufacturing Co., Ltd. (formerly Renxian Zeliang Machinery Factory) is located in the west of Xingwan Town, in the northeast of Xingzhou City, with excellent transportation and a thriving industrial and commercial area. With over a decade of history, we have accumulated extensive experience in mechanical research and manufacturing. Our "Chengxin Da" brand mortar sprayers, rapid mortar sprayers, high-pressure mortar pumps, fine aggregate concrete pumps, and small concrete pumps are meticulously designed and manufactured by our engineers and technical staff, drawing on the strengths of various experts and based on our wide user base.
Self-developed rapid mortar spray machines are primarily used in the construction industry for interior and exterior wall plastering, external wall thermal insulation mortar spraying, skim coating, fire-resistant material spraying, large-area fire-retardant material spraying, waterproofing agent spraying, and other engineering projects.
Qingxiang City Laozhong Machinery Manufacturing Co., Ltd. adheres to the tenet of "Integrity, Innovation, and Pragmatism," and operates on the principle of "Quality for Survival, Integrity for Development." Based domestically and facing the international market, we strive for common development and the creation of brilliance! We warmly welcome both new and old domestic and international customers to visit, guide, and collaborate!
Qingdao Lezhong Machinery Manufacturing Co., Ltd. (formerly Renxian Zeliang Machinery Factory) is located in the Xingwan Town, Xihuang Industrial Area in the northeast of Xingzhou City, with excellent transportation and a thriving commercial and industrial environment. With a history of over a decade, we have accumulated extensive experience in mechanical research and manufacturing. Our "Chengxin Da" brand mortar sprayers, rapid mortar sprayers, high-pressure mortar pumps, fine aggregate concrete pumps, and small concrete pumps are meticulously designed and manufactured by our engineers and technical staff, drawing on the strengths of various experts and based on a wide user base.
Self-developed rapid mortar spraying machines are primarily used for interior and exterior wall plastering mortar spraying in the construction industry, exterior wall insulation material mortar spraying, sanding, fire-resistant material spraying, large-area fireproof material spraying on buildings, waterproofing agent spraying, and other engineering projects.
Qingdao Lezhen Machinery Manufacturing Co., Ltd. always adheres to the tenet of "Integrity, Innovation, and Pragmatism," operating under the principle of "Quality for Survival, Integrity for Development." Based domestically and facing internationally, we strive for common development and forge brilliance together! We sincerely welcome both new and old customers from home and abroad to visit, guide, and cooperate!





























