Beijing Shihan Technological Co., Ltd sticks to ISO9000 standard and has established complete quality guarantee system to elevate quality, management and service all-roundly.

• 北京世韩科技有限公司一直全面贯彻ISO9000国际标准，建立完善的质量保证体系，使质量和管理全面得以提高，品质和服务与时并进。