重庆大环机械制造有限公司，成立于1994年，坐落于重庆市南岸茶园工业园区，占地30余亩，员工数百人，是一家专业从事气动钉枪和喷涂设备研发、制造、销售和服务的民营企业（含员工持股）。
公司被国家认定为高新技术企业，拥有自主知识产权的专利技术多项，营销网络遍布国内2000多个大中小城市和国外数十个国家及地区，主要品牌"大环"和"DAHOO"在海内外均具有极高的知名度，长期处于行业前三强。
公司的员工团队是一支有着共同理想和追求的年青队伍，以"品牌立足，实力说话，以人为本，均衡发展"为理念，倡导"快乐工作，健康人生"，致力于建立和谐高效的阳光团队，共同打造理想的百年企业。
CHONG QING DAHOO TOOLS CO., LTD., established in 1994, is located in the Nan'an Tea Garden Industrial Park of Chongqing. It covers an area of more than 30 acres and has hundreds of employees. It is a private enterprise specializing in the research and development, manufacturing, sales, and service of pneumatic nail guns and spraying equipment (including employee shareholding).
It has been recognized as a high-tech enterprise by the state, with multiple patented technologies with independent intellectual property rights. Its marketing network covers more than 2000 large, medium and small cities in China and dozens of countries and regions abroad. The main brands "Dahuan" and "DAHOO" have high popularity both domestically and internationally, and have long been among the top three in the industry.
The employee team of the company is a young team with common ideals and pursuits, with the concept of "brand based, strength speaking, people-oriented, and balanced development", advocating "happy work, healthy life", committed to establishing a harmonious and efficient sunshine team, and jointly building a century old enterprise with ideals.
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