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> Declaration Letter - CHUNG KING ENTERPRISE CO. Ltd
> Date of issue:2023-12-14

Recipient: All Customers of Chung King Enterprise Co. Ltd
Date: December 14, 2023
Reference Number: QINZI No. 112121401
Transmission Type: Urgent
Confidentiality Level and Decryption Conditions or Period: Confidential Attachment: None

Notice regarding Intellectual Property Rights Protection.
All our products are protected by complete patent rights and trade secrets. When procuring our products, please be attentive and respect our company's intellectual property rights to ensure the safeguarding of your company's interests.

1. In 2007, our company entered the field of optoelectronics and semiconductor TFT-LCD ARRAY, CELL, photolithography, etching process equipment, and components. Since then, we have been engaged in research and development of glass, wafer handling, and storage solutions, employing innovative material characteristics through scientific
experimentation. We provide customers with comprehensive technical support,
diversified product manufacturing, and services. We have innovatively patented our results in various countries, including our home country, amassing over 218 patents to
date, with continuous additions to protect our independently developed achievements.

2. However, similar products with comparable functions and appearances have recently surfaced in the market. Apart from concerns about varying quality and reliability, there is also a potential conflict with our intellectual property rights, including patents. To
safeguard our and our customers' interests, we have engaged lawyers and professionals to investigate and gather evidence on these similar products. We kindly request our
customers to be mindful and respectful of our related intellectual property rights during procurement processes to avoid any impact on your company's production, manufacturing, and delivery schedules.

Original Copy: For all customers of Chung King Enterprise Co. Ltd

Chung King Enterprise Co. Ltd Representative: 江枝茂

112121401 CKplas Declaration Letter_EN.pdf

  Opto-Semiconductor-Semiconductor Wafer Carrier
● Teflon / PFA Cassette
● PP / PEI / PC Cassette
● Metal / PEEK Cassette
● Shipping Box / Single Tray /
Storage Box

● Other

Semiconductor Wafer Carrier / Wafer Size
● 150mm
● 200mm
● 300mm

  Stainless Steel Custom
● Metal Frame /Wafer Frame / Wafer Ring
  IC Packaging & Testing
● IC Tray / LED Tray / Frame / Frame Cassette / Frame Box
  Reticle Handling
● Mask Package Box / RSP 150 /
Mask SMIF Pod0

  Square Glass Carrier
● Square Glass
  Solar Wafer Carrier
● Solar Cassette/Clean Cassette
  Normal & Panel Cassette
● Normal Cassette & Semiautomatic Car
  Opto-Semiconductor Equipment
● Test fixture
  Plastic-Steel Manufacture
● Mold Injection OEM
● Board/Bar Process
  Clean Room
● Cleaning Service
● Automated Cleaning Machine
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