86-0571-85369062
Room 319, No. 195, 197, 199, Zhenhua Road, Xihu Dist., Hangzhou, Zhejiang, China (Mainland)
20mm Slotted Aluminum QD Sling Swivel Mount with Release Button, US $ 2 - 3 / Set, Zhejiang, China, Simei, SM-HT6100.Source from Hangzhou Simei Hardware Products Co., Limited on Waimaotong.com.