羞羞漫画在线免费阅读_巨大乳bbwsex日本_美艳yin荡老师好紧_她在丈夫的面前被耍了

×

MB0544 chair swing test machine

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list

This machine is used to imitate the chair is not used correctly, the chair often forward or backward, the test chair of life, can be produced for the production of chair manufacturers test the service life of the product, to improve product quality, strengthen the competitiveness of products in the same industry, to win the trust of customers, products quality assurance tool.