KBB Group (KBB) established in 1994 is the leading automatic door manufacturer in Asia. We have three production bases covering 150,000 square meters and more than 1000 employees. Our automatic door annual production capacity is 3000 sets of automatic revolving doors and 30000 sets of automatic sliding doors. KBB has attained ISO9001, ISO14001, UL and CE certifications. During the past fifteen years, we have been enjoying the biggest market share in local automatic door industry.