Email: Sales and retailers: GAN After-Sales Service: Whole: whole If you want to be our testers, please send your WCA id, your contact information (including name, address,country, zip code, phone number, or anything that attracts us) to: , we'll reply soon if you meet our qulification.   Facebook Page: Messenger:   Wechat QR CODE: 微信图片_20190317011133             *Working Days: Monday to Friday *Working Hours: GMT+8, 9:30-16:30, weekend:12:00-15:00