Hangzhou Dowell Certification Technology Service Co., Limited is committed to product testing, product certification, inspection/customs clearance certificates, standards, regulations, training, personnel and other services to provide assistance for human safety, health, and the environment. The company is headquartered in Hangzhou, Zhejiang Province, China. Branches and offices will be established in many countries around the world. With a variety of professional talents and excellent technical team, we can provide you with comprehensive product certification services. In Nigeria, we will provide local customers with inspection and clearance certificate (SC/COC) services.
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