人们不禁要问好利阀业有限公司成功的关键是什么？
People ask Olivetti Valve Co., Ltd. What is the key to success?
上海名工阀门厂是一家专业研制、开发、生产和销售服务综合能力的阀业制造企业。
Shanghai valve Factory workers are a professional research, development, production and marketing services industry comprehensive ability of valve manufacturers.
唐山宏源阀业有限公司已经通过了ISO9002质量体系认证，严格按照世界级的各种认证标准生产制造。
The Tangshan great source valve industry Limited company already passed the ISO9002 quality system authentication, strictly according to world-class each kind of authentication standard manufacturing.
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