SHYH SING ENTERPRISE CO., LTD. is the company which specializes in R&D. manufacture, production and sale of personal defense and police security system products, including multi-functional stun gun, bulletproof vest, bulletproof Equipment, metal detector, multi-alarm, pepper sprayer, multi-functional sprayer, reflective vest, flash baton, extendable baton, anti-riot flash, bullet proof vest, the shield with stun, military and police equipment, bulletproof & anti-riot, handcuff, and anti-theft monitor. It's our responsibility to make R&D of new product continuously and satisfy customer??s need. It??s also our target to create the product with low cost and high quality.
www.stungun.com.tw ... 
Taiwan