Two Shanghai-based business management limited partnerships acquired additional unknown stake in Quantum Hi-Tech (China) Biological Co., Ltd. (SZSE:300149) on January 15, 2018. Post the completion, the first business management limited partnership will own 8.9% stake and the second business management limited partnership will own 1.5% stake in in Quantum Hi-Tech (China) Biological Co., Ltd. Two Shanghai-based business management limited partnerships completed the acquisition of additional unknown stake in Quantum Hi-Tech (China) Biological Co., Ltd. (SZSE:300149) on January 15, 2018.