HM-007美式
American Big Spring
专利产品 (patented product): 专利号 2015200214265
Innovative patent design, unparalleled stretch! The spring force of the spring mattress Play to the fullest, large diameter, large diameter, large size low pitch convolution ring Winding for better resilience, long-lasting performance of load bearing, elastic elastic energy The traditional standard spring is 60% higher, giving you a wonderfully comfortable sleep.enjoy!