DOWIN is recognized as a high-tech enterprise at the national level in China. Our products are RoHS compliant and manufactured according to advanced international standards and certificates.  As part of Smiths Interconnect, Protection Technology Group, our engineers are industry leaders and decision makers within regulatory organizations,  including IEC, IEEE, UL and NEC. 

DOWIN engineering and manufacturing facilities comply with the following certifications and standards

• ISO 9001:2008
• ISO 14001:2004
• OHSAS 18001:2007
• Nationally recognized high-tech enterprise certification – China
• Product certification including: CCC, TUV, CE, UL, RoHS
• Ability to issue Asia-Pacific recognized testing reports

	Quality Management System Certificate	China National Accreditation Service - Quality Management Systems	Go to Certificate
	Accreditation Certificate	Accreditation Certification of China's National Accreditation Board for Laboratories	Go to Certificate
	China Institute of Communications Scientific & Engineering Award	Award Project: optimum design of grounding grid & solution of newly integrated lightning protection grounding	Go to Certificate
	ISO9001 Certificate	ISO 9001: is the International Standard for Quality Management Systems (QMS).	Go to Certificate
	ISO14001 Certificate	The ISO 14000 environmental management standards exist to help organizations (a) minimize how their operations (processes etc.) negatively affect the environment	Go to Certificate
	Lightning Protection Engineering Construction Certification.	Issued by China Meteorological Bureau	Go to Certificate
	Lightning Protection Engineering Design Certification	Issued by China Meteorological Bureau	Go to Certificate
	Nationally Recognized High-tech Enterprise Certificate	Nationally Recognized High-tech Enterprise Certificate	Go to Certificate
	OHSAS18001 Certificate	OHSAS 18000 is an international occupational health and safety management system specification	Go to Certificate
	Science & Technology First Award in Guangdong Province in 2010	Science & Technology First Award in Guangdong Province in 2010. Award Project:optimum design of grounding grid & solution of newly integrated lightning protection grounding for mobile communication station.	Go to Certificate
	Science & Technology Third Award in Guangdong Province in 2006	Science & Technology Third Award in Guangdong Province in 2006.Award Project: research and application of main lightning incoming channel and lightning protection grounding for mobile communication station. .	Go to Certificate
	The-Distinguished-Contribution-Award-in-Lightning-Protection-Field-From-2000-2010	The Distinguished Contribution Award in Lightning Protection Field From 2000-2010.	Go to Certificate
	Laboratory Accreditation Certificate	The test date is recognized in 44 Asia-Pacific Countries. Dowin is the first company which gets nationally recognized laboratory accreditation in lightning protection field.	Go to Certificate