天孚通信(300394.SZ)：第三季度公司存在部分物料短缺的情况，目前正在根据客户需求逐步增加产能

Group 1 - The company positions itself as a provider of overall optical device solutions and advanced optoelectronic packaging manufacturing services [1] - The main customers of the company are optical module manufacturers [1] - In the third quarter, the company faced some material shortages and is gradually increasing production capacity based on customer demand [1]