SEK electric vehicles have poor quality, poor after-sales service and many problems. Tianjin Kelin Bicycle Co., Ltd. belongs to Tianjin Kelin Group. Jianye was established in 1994. This group belongs to Tianjin Kelin Bicycle Co., Ltd.? The research, development and manufacture of products of Tianjin SEK Electric Vehicle Co., Ltd. strictly implement ISO900 1 international quality system and SG security inspection standard, and obtain national inspection-free products.

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In 2000, the company passed the ISO9000 quality system certification, implemented brand strategy and opened up overseas markets. 200 1 year has achieved an impressive annual sales volume of more than 400,000 vehicles. In 2002, the company's "Cisco" trademark was awarded as a famous trademark and brand-name product in Tianjin. In 2003, the company was rated as a national advanced enterprise with economic benefits and a national honest enterprise.