发展历程-j9九游国际真人

j9九游国际真人

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1960-1990
1990-2010
2010-so far

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about us: company profile; qualification honor; development process

news: company dynamic; industry dynamic; official announcement

testing service: low-voltage apparatus; pump; draught fan; mechanical seal; valve; electrical machinery; electric tool; electric welding machine; internal combustion engine; bearing; emc; metal materials; precision measurement/machine tool; small and llight lifting equipment; agricultural and forestry machinery; traffic mechanical and electrical engineering; product quality accreditation

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