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Semiconductor Manufacturing · Semiconductor Equipment (Etching and Thin Film Deposition)

Advanced Micro-Fabrication Equipment Inc.

📈 688012:SH🌍 China

Provides plasma etching equipment and thin film deposition equipment, delivering core process equipment for AI chip manufacturing

⚔️ Core Moat

Internationally leading plasma etching technology (especially capacitively coupled dielectric etching), has entered TSMC's 5nm and below advanced process supply chain, with extremely high customer certification barriers

Company Overview

Advanced Micro-Fabrication Equipment (Shanghai) Co., Ltd. (hereinafter referred to as "AMEC") was founded in 2004 and listed on the STAR Market of the Shanghai Stock Exchange in July 2019 (stock code: 688012). Its headquarters is in Shanghai, with R&D and manufacturing bases in Nanchang, Beijing, Taiwan, Singapore, Japan, and other locations. The company focuses on semiconductor etching and thin-film deposition equipment, particularly with international competitiveness in capacitively coupled plasma (CCP) dielectric etching and inductively coupled plasma (ICP) etching. Its products are widely applied in the manufacturing of logic chips, memory chips, power devices, and compound semiconductors. In the AI chip industry chain, AMEC's etching and thin-film deposition equipment are key process tools for manufacturing transistors and interconnect structures in advanced process nodes (7nm/5nm/3nm), directly supporting the yield and performance improvement of AI computing chips.


Including CCP etchers and ICP etchers. CCP etchers are mainly used for high-selectivity etching of dielectric layers (such as oxides and nitrides), and are suitable for key processes such as high-aspect-ratio contact holes and hard mask etching in logic chips; ICP etchers target silicon, metals, and fine polygon structures, and are widely used in FinFET and GAA transistor structures, as well as word lines and bit lines of memory. The company has successfully entered the supply chains of globally leading wafer fabs such as TSMC, Samsung, SMIC, and YMTC, and has achieved volume supply at process nodes of 5nm and below.

AMEC's Prismo series MOCVD equipment is mainly used for epitaxial growth of gallium nitride (GaN)-based compound semiconductors, covering fields such as LEDs, lasers, and power devices. The company holds a global market share of up to 70% in the MOCVD field, and dominates emerging AI-related applications such as Mini/Micro LED and GaN power electronics (e.g., solid-state lighting, high-efficiency power management). In addition, the company is developing LPCVD and ALD equipment for logic chips.

Providing value-added services such as spare parts, maintenance, and process optimization for etching and MOCVD equipment, forming synergies with equipment sales.

Product LineRevenue ShareCore CustomersGross Margin
Etching Equipment~75%TSMC, Samsung, SMIC, YMTC~45%
MOCVD Equipment~20%San'an Optoelectronics, HC SemiTek, Epistar, etc.~35%
Spare Parts and Services~5%All customers~50%

Technology Moat

Moat 1: World-Leading Plasma Etching Technology

AMEC has independently developed core technologies including high-density plasma sources, multi-zone temperature control, and precise gas distribution. Its CCP etchers achieve internationally first-class levels in etch rate, selectivity, and uniformity for dielectric etching at critical dimensions of 40nm and below. The company was the first to achieve spacer and via etching for 5nm logic chips, and has entered the 3nm R&D stage. In the ICP etching field, the Primo nanova series delivers low-damage, high-anisotropy silicon etching, successfully breaking the long-standing monopoly of Lam Research and Tokyo Electron.

Moat 2: Deep Customer Certification Barriers

Semiconductor equipment entering mass production supply chains must undergo 2–3 years of rigorous validation (including process matching, reliability testing, and stability assessment). AMEC's etching equipment has passed production line validation at leading wafer fabs including TSMC, Samsung, and SMIC, with repeat purchases demonstrating extremely high customer stickiness. New entrants cannot easily obtain the same level of process certification records in the short term, forming a long-term competitive barrier.

Moat 3: Strong IP Moat and Domestic Substitution Dividend

The company holds over 2,000 core patents (including international PCT applications), forming a dense intellectual property network in the etching equipment field that effectively mitigates litigation risks from overseas competitors. Meanwhile, affected by US export controls on China, domestic wafer fabs (such as SMIC and YMTC) are accelerating the adoption of domestic equipment. As the leading domestic etching equipment manufacturer, AMEC benefits first, with its market share steadily increasing.

DimensionData
Global Etch Equipment Market Share (2023)AMEC ~8% (CCP + ICP); ~15% in the CCP segment
Industry Ranking (Etch Equipment)Ranked 4th globally (top three: Lam Research, TEL, Applied Materials)
Key CompetitorsLam Research, Applied Materials, Tokyo Electron (TEL)
MOCVD Market Share~70% globally, undisputed market leader
Downstream CustomersTSMC (~30% of revenue), Samsung, SMIC, YMTC, Hua Hong, Sanan Optoelectronics, etc.

Competitive Landscape Analysis: The etch equipment market is highly concentrated, with the top three players holding a combined share of over 80%. AMEC has built the strength to compete with international giants in the CCP dielectric etch segment, but still has room to catch up in ICP silicon etch. The company has established a de facto monopoly in the MOCVD segment, though market growth in this area is relatively moderate.

Financials & Growth

MetricData (FY2023)
RevenueRMB 6.264 billion (YoY growth of 32.1%)
Gross Margin45.8%
Net Margin28.5% (~24% excluding non-recurring items)
R&D Investment as % of Revenue18.5%
Core Growth Logic① AI chips drive an increase in the number of advanced-process etching steps (over 100 steps at 3nm/2nm nodes); ② Domestic wafer fab expansion coupled with localization substitution demand; ③ MOCVD penetration into Mini/Micro LED

Growth Drivers in Detail:

  • AI-driven demand for advanced processes: The number of etching steps increases by approximately 30–50% per advanced node generation. As a TSMC 5nm/3nm etching supplier, AMEC benefits directly.
  • Memory chips transitioning from 2D NAND to 3D NAND (200+ layers): High-aspect-ratio etching demand is surging. AMEC's high-aspect-ratio etcher developed for 3D NAND has already entered YMTC's supply chain.
  • Accelerated localization substitution: Against the backdrop of US export restrictions on equipment to China, combined capex of domestic wafer fabs is projected to exceed $20 billion from 2024 to 2026. Domestic equipment penetration is expected to rise from 15% to over 30%, with AMEC, as the industry leader, capturing the largest share.

Key Risks:

  1. Geopolitical and Export Control Risks: The company relies on Japanese and U.S. suppliers for certain core components (e.g., RF power supplies, high-speed gas valves); escalated export controls could disrupt deliveries. In addition, overseas customers (TSMC, Samsung) may reduce procurement under geopolitical pressure.
  2. Technology Iteration Risk: R&D for next-generation etching technologies (e.g., atomic layer etching (ALE), high-ion-energy etching) requires sustained substantial investment. A misjudgment in the company's technology roadmap could result in the loss of its first-mover advantage.
  3. Customer Concentration Risk: Dependence on a single customer, TSMC, is approximately 30%. If TSMC switches suppliers or reduces orders, revenue could experience significant volatility.
  4. Valuation and Market Sentiment Risk: The current P/E ratio is approximately 70x (2023). Investor expectations for high earnings growth have been partially priced in; if growth decelerates, the valuation may face a correction.

Core Investment Thesis / Industry Value Summary:

AMEC is a benchmark for the rise of domestic semiconductor equipment, achieving an international breakthrough in etching, a critical step in AI computing chip manufacturing. Benefiting from the exponential growth in etching steps required for advanced AI chip processes, domestic wafer fab expansion, and the domestic substitution dividend, the company is expected to maintain a 20–30% revenue CAGR over the next 3–5 years. Despite geopolitical and customer concentration risks, its technology moat and the certainty of domestic substitution make it a scarce asset in the "bottleneck" segment of the AI industry chain.