Together Wistech and Challenger, Singapore’s only homegrown consumer electronics chain which also runs Singapore’s only tech-focused shopping website Hachi.tech, Wistech and Challenger strive to provide and deliver high-quality face masks into the hands of the consumers at an affordable price.
Wistech has appointed Challenger as the exclusive partner for Song Thien 4-Ply Surgical Mask
![http://www.challenger.com.sg/](http://wistech.com.sg/cdn/shop/articles/4545453453_5c1fa992-3fb5-4ec9-8357-bc5867e623dd_{width}x.jpg?v=1595860580)