Talk to the people who build it.
Every inquiry gets an answer within 48 hours — typically with a fixture drawing, pricing and a sample plan.
Direct contact
Sales, OEM/ODM and support — both lines and both mailboxes reach the factory desk in Bao'an, Shenzhen.
- Email — Sales 1eric@dfshk.cn
- Email — Sales 2alex@dfshk.cn
- Phone+852 9176 9250
- Phone+86 152 3512 7440
- Factory & officeBLD C 510-512, Qianwan Key & Core Technology Industrial Park, Xixiang, Bao'an, Shenzhen, China
- CompanyD.F.S Technology Ltd. — brands: EASTOPS / HAVIS / Smart Bo
Send an inquiry
Tell us the devices and fixtures you need to protect — a specialist replies within 48 hours.
How we work
Factory-direct, sample-first.
48-hour reply
Every inquiry is answered within 48 hours — usually with a suggested fixture drawing and a pricing range, not a waiting list.
Browse products ›Sample before bulk
Test fixtures and samples ship by express before any volume order — prove the alarm, the feel and the cables on your own counter.
Visit the factory ›Customization standard
One 10,000 m² factory, 30+ R&D engineers, 5 invention patents and 100+ design patents take brand and ODM projects from drawing to pallet.
See capabilities ›Prefer a direct email?
Eric and Alex pick up every message — send fixtures, store photos or a simple list.
