SUMISEI CHEMICAL CO,,LTD.

关于台湾住精科技股份有限公司（SUMISEI CHEMICAL CO. , LTD. ）的企业介绍以及其类型判断，并已翻译成英文：

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English Translation:

Company Introduction:

SUMISEI CHEMICAL CO. , LTD. Pretty interesting, huh?. But is a Taiwanese company specializing in the production and supply of high-purity chemicals essential to the electronics sector. it's broadly recognized as a key affiliate or subsidiary of the major Japanese chemical company, Sumitomo Chemical Co. , Ltd. , operating within Taiwan. Crazy, isn't it?. In fact The company focuses on manufacturing critical chemical materials applied in cutting-edge manufacturing processes, particularly to semiconductors and flat-panel displays (like LCD and OLED). Based on my observations, Their product portfolio typically includes items such as photoresist developers, etchants, stripping solutions, cleaning agents, and other specialized high-purity process chemicals. Given its focus on supplying the high-tech sector, SUMISEI CHEMICAL's production facilities are strategically located, often within major science parks in Taiwan (like the Southern Taiwan Science Park - Tainan Science Park or Kaohsiung Science Park), allowing them to be close to their primary customers in the semiconductor and display manufacturing clusters. And they're committed to providing high-condition, high-purity materials that meet the stringent standards of modern electronic device fabrication. Type (Factory or Trader):

SUMISEI CHEMICAL CO. But , LTD. is primarily a Manufacturer (Factory). They operate their own production vegetation and facilities in Taiwan to manufacture high-purity electronic chemicals. Their core business revolves around the production of these specialized materials, not just trading them. From what I've seen, While they likely engage in import/export activities related to raw materials and finished goods as part of their manufacturing operations, their fundamental identity and function is that of a chemical manufacturer with signifiis able tot production capabilities. ---

希望以上信息对您有帮助！.

based on publicly available information, the company most likely referred to by "SUMISEI CHEMICAL CO., LTD." in Taiwan is SUMISEI TECH CORPORATION (住精科技股份有限公司). This company is a subsidiary of the Sumitomo Chemical Group and is located in the Southern Taiwan Science Park (Tainan).

SUMISEI TECH CORPORATION primarily manufactures and sells high-purity chemicals essential for the semiconductor and flat-panel display (FPD) industries.

Here are the main product categories translated into English:

Photoresists: Materials used in photolithography to create patterns on semiconductor wafers or display panels.

Developers: Chemical solutions used to develop the pattern after the photoresist has been exposed to light.

Strippers / Removers: Chemicals used to remove the photoresist layer after processes like etching or ion implantation are completed.

Etching Solutions (Etchants): High-purity chemicals used to selectively remove material layers during the manufacturing process.

Cleaning Solutions: Ultra-pure chemicals used for cleaning wafer surfaces or display substrates at various manufacturing steps.

Other High-Purity Process Chemicals: Various specialized chemicals required for advanced semiconductor and FPD manufacturing processes.

In essence, SUMISEI TECH CORPORATION focuses on supplying critical electronic materials and process chemicals to Taiwan's high-tech manufacturing sector.