Shanghai Xinanna Electronic Technology Co., Ltd. is a high-tech company, which develops and manufactures high purity nano particles and slurry for electronic industry. The company is a commercial spin...

precipitated silica...

LANCN was founded in Shanghai in 2016 (registered capital of 100 million RMB), and it's the the sales company of focused on the Class I II III medical devices. LANCN medical equipment and wel...