Yunnan Germanium subsidiary signs five-year indium phosphide wafer supply deal with Applied Optoelectronics

Yunnan Xinyao Semiconductor Materials, a controlling subsidiary of Yunnan Germanium, signed a five-year long-term supply agreement with Applied Optoelectronics (AOI) to supply 180,000 4-inch N-type indium phosphide substrates per year from 2027 to 2031, totaling about 900,000 wafers. The 2027 contract is valued at approximately USD 194 million.

“AOI is expected to purchase 180,000 4-inch N-type indium phosphide substrates per year from 2027 to 2031, totaling about 900,000 wafers over five years.”finance.biggo.com

• 1 source
• finance.biggo.comYunnan Germanium locks in five-year 900,000-piece indium phosphide supply deal, with subsidiary to supply 180,000 wafers a year to U.S. buyerNov 4, 2026

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