Hangzhou Dowell company, as one of the most powerfull certification service technology companies, It devotes itself to product testing, product certification, standard, rule of law, training, talents services and so on to help to make the human being a more safe, healthful environment.Our company is headquartered at Hangzhou city of Zhejiang province, and is setting up branches and offices at many countries. With a variety of professional talents and excellent technical team, we can provide your product comprehensive certification service. Our vision: to become a world�� leading integrated product certification service provider.