On 13 April, the bamboo window was reissued with headquarters uniformly fitted with a standardized, free-of-charge shop throughout the country, and became the first in the industry to have standardized door brands of appliances. It is known that free promotions include branding, sewing, brewing, mattresses, mattresses and plastic protection membranes, all of which are selected. The normative and quality of door-to-window installation has been greatly enhanced to provide more back-up for distr...