Beijing Time Sonic Technology Co., Ltd (BTST) is a provider of proprietary sales and marketing knowledge, methodology and tools. Its world-class expertise has been used by many industrial leaders including Fortune 500's. Our sales and marketing framework has become a nationally-sanctioned university textbook in China, and its English version has been published by Elsevier for English-speaking readers worldwide.

        We help our clients prosper with unique customer value, and we demonstrate this value with our proprietary publications, consultancy, methodology and tools as follows.

        We hope this communiqué is informative and of value to you, and we look forward to being of service to you.