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Liaoan Machinery Manufacturing obtained quality certificate ISO9001 after the assessment of Beijing Zheng-Tian-De Management System Certification Co., Ltd.(former 8.1 Certification Centre of Quality System) in 2003. The track shoes of Liaoan brand are well received among customers. The enterprise has been chosen as "AAA enterprise", "Enterprise with sincerity" and "Enterprise abiding by contract and being trustworthy" for years.
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