AMEC Still Needs the Order
Anonymous sources place Samsung and SK Hynix inside a Chinese toolmaker’s evaluation pipeline, Samsung denies it, and AMEC’s 311% profit guidance came mostly from gains on its equity portfolio.
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Today: a Reuters report puts South Korea’s memory leaders inside a Chinese toolmaker’s evaluation pipeline, and Samsung denies it. In July I covered CXMT’s 466% Debut on a 6.73% Float, Chinese memory’s first public valuation. In May, Samsung Lost China’s Living Rooms, Memory Became the Prize traced what Samsung still defends inside China. The question now sits one layer lower, in the equipment that makes the memory.
Reuters reported on August 5 that Samsung Electronics and SK Hynix have been evaluating etching tools from Advanced Micro-Fabrication Equipment, the Shanghai toolmaker known as AMEC, for possible use at their Chinese fabs. Three people described the evaluations, all speaking anonymously; two dated the first tests to roughly two years ago. Samsung told Reuters it has not tested AMEC equipment for use at its China factory and had not considered doing so. SK Hynix declined to comment, and AMEC did not immediately respond. No decision on wider deployment has been made. An order from either would be among the most valuable references AMEC could obtain. The report did not identify a production-scale order from either company.
In semiconductor equipment, specifications open the door and customer qualification decides whether a tool reaches production. Swapping an etcher forces a fab to revalidate its process, at the cost of yield risk. A qualification that holds at one large customer therefore tends to travel to the next. The evaluations did not start from zero. Reuters’ sources said AMEC equipment already running at Yangtze Memory, the Chinese NAND flash producer, gave the Korean firms more confidence that some systems were mature enough to test.
The reported evaluations are rooted in export controls. Washington granted the two companies’ China fabs validated-end-user status in 2023, which waived individual licences for certain controlled US equipment, revoked it in 2025, then issued annual licences for 2026. The sources said the longer-term worry reaches further, to future restrictions covering the servicing, repair and replacement of Western tools already installed. On August 4, AMEC separately guided to first-half revenue of Rmb 6.691bn ($984m), up 34.89%, and net profit up between 282% and 311%. The reported evaluations and the earnings guidance arrived in the same week. Only one of them shows up in the accounts.
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