Qingdao Shamu Advanced Material Co., Ltd (hereafter called "Shamu") devotes itself to the researching, producing and marketing pure polyurea,honored with "Leading in China,supreme in the world". The series of Qtech, representative pure polyurea of Shamu International, are competent for waterproof, anti-corrosion, anti-abrasion, impact resistance etc. Shamu is the pioneer applying polyurea technology on speaker-box, In 2011, Shamu International originally drove polyurea to the speaker industry and has constructed a mature polyurea-sprayed system for speaker-box. Qtech-416 series coatings have been used on the speaker-box manufactured by BOSE, JBL, BETA-3, SE-AUDIO and many other reputable audio brands, selling well in China and abroad, possessing over 80% market share of speaker-box.

Picture	Certification Name	Certified By	Business Scope	Available Date --- Expired Date	Verified
	ISO14001	CNAS	Waterproof, Anti-corrosion, Anti-permination, Vibration Damping, Soundproofing, Heat-insulating Coating, Manufacture, Sale Consultation Service (Not including products from Certificate)	2016-09-07 ~ 2018-09-15	Verified
	ISO9001	QAC	Waterproof, Anti-corrosion, Anti-permination, Vibration Damping, Soundproofing, Heat-insulating Coating, Manufacture, Sale Consultation Service (Not including products from Certificate)	2016-09-07 ~ 2018-09-15	Verified

Business Type	Manufacturer, Trading Company	Country / Region	Shandong, China
Main Products	polyurea, pure polyurea, polyurethane, damping material, spraying machine	Total Employees	11 - 50 People