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Nowadays, the benefits of policies provide impetus for the development of enterprises. Both Jiangsu Tianyin and Yida Chemical have made good use of it, each demonstrating their capabilities in the field of chemical engineering and opening up new horizons.

Tianyin Chemical, on the second anniversary of the full implementation of the RCEP, has fully enjoyed the benefits of the policy. Song Zhenhao, the person in charge of the company, said, "Through the 'expedited channel', our company submits the application, and the customs can approve it on the same day. We can print the certificate of origin by ourselves, eliminating the worry of 'goods waiting for certificates'." This year, a total of 123 RCEP certificates of origin have been issued, with a total value of 19,422,000 yuan. Compared with the same period last year, they have increased by 10.8% and 3.2% respectively. Tariff preferences of 785,100 yuan have been obtained in the importing countries. Dana mainly researches and produces ethylene oxide, propylene oxide and their downstream products, which are used in high-end manufacturing such as liquid crystal panels and integrated circuits. In order to help enterprises make use of the RCEP policies, Jinling Customs has adopted an online and offline "Jinling Customs Knowledge Sharing Conference" system to introduce the origin and approved exporters. For those who are new to business, it uses the "Preferential Origin Service Platform" to optimize the process and set up an "expedited channel", enabling the issuance of certificates and approval on the same day.

Yida Chemical has also taken advantage of the favorable policies. Its company is the convener of the "Propylene Glycol Ether and Ethylene Glycol Ether Working Group" approved by the National Standardization Committee, and has taken the lead in or participated in the formulation (revision) of multiple national industry standards. Taixing Yida, a wholly-owned subsidiary, is the leading drafter of the "Technical Specification for Evaluation of Green Design Products - Propylene Oxide" chemical industry standard. Moreover, Yida has been awarded the High-tech Enterprise Certificate jointly issued by the Jiangsu Provincial Department of Science and Technology, the Department of Finance, and the Tax Bureau. According to the "Enterprise Income Tax Law of the People's Republic of China" and other regulations, it has enjoyed a preferential tax rate of 15% for three consecutive years.

Tianyin and Yida, both specializing in ether derivatives, take intelligence, innovation and environmental protection as their approaches. It excels in alcohol ethers and alcohol ether esters, relying on its technological and industrial chain advantages. Both make good use of policies, take quality as the foundation and innovation as the progress, contribute to the development of the chemical industry, and hope to continue to achieve excellent results and jointly promote the prosperity of the chemical industry.

Jiangsu Yida Chemical Co., Ltd. was founded in 1996 and listed on the Growth Enterprise Market of the Shenzhen Stock Exchange in 2017. Its headquarters is located in Jiangyin City. It is a leading domestic company in alcohol ether and alcohol ether ester fine chemicals. Its business covers the research, production and sales of alcohol ethers, alcohol ether esters, propylene oxide, hydrogen peroxide and other products, and is used in various fields such as coatings, electronic chemicals, new energy vehicles and semiconductors.

Yida's ability lies especially in its skills and research.Its main alcohol ether products meet national standards and it holds 36 authorized patents, including 27 invention patents.The self-developed propylene oxide HPPO method is environmentally friendly, long-lasting and has low consumption. The purity of its product reaches 99.97, breaking the technological monopoly of Dow Chemical.Electronic-grade propylene glycol methyl ether (PM) is added to the semiconductor photoresist cleaning section, supplied to leading enterprises such as SMIC and BOE, with a purity of up to 99.99%. It also produces its own propylene oxide and hydrogen peroxide. Compared with purchasing from outside, the raw material cost is reduced by 10% to 15%, forming a complete industrial chain of "alcohol ether + propylene oxide + wet electronic chemicals".

At present, the trend of domestic substitution of photoresist solvents is on the rise. Yida is the only domestic manufacturer that produces electronic-grade propylene glycol methyl ether (PM) and propylene glycol methyl ether acetate (PMA) on a large scale. These two are the core of photoresist solvents and account for more than 80% of the photoresist cost. Currently, the domestic annual demand for photoresist solvents is approximately 90,000 tons, which is mostly dependent on imports. Yida has built a 30,000-ton electronic-grade PM/PMA production capacity at its Zhuhai base and plans to expand it to 50,000 tons of wet electronic chemicals, directly supplying major photoresist manufacturers such as Nanda Optoelectronics and Rongda Photosensitivity.

With the rapid advancement of domestic semiconductor production, there is a broad space for the import substitution of photoresist solvents. With its unique and scarce position, Yida is expected to become a key player in the domestic photoresist industry chain and enjoy the benefits of industry development.

In the Jiangnan region, the chemical industry flourished. Jiangsu Tianyin Chemical Co., Ltd. was established in the year of Jiashen (2004), developing along the Nanjing Jiangbei New Materials Science and Technology Park. It has expanded its business to three locations in Nanjing, Binhai and Maoming, and its scale has been growing day by day.

It specializes in the derivation of ethylene oxide and propylene oxide, and is particularly skilled in the production of ethylene glycol ethers and propylene glycol ethers. The products such as diethylene glycol monomethyl ether and triethylene glycol monomethyl ether produced are of high quality and widely used, covering various fields including coatings, inks and daily chemicals, and are leading in the industry.

The company adheres to the motto of "Continuous innovation, providing high-quality products and services, creating value, and harmonizing the environment". After two decades of hard work, its technology has become increasingly refined and its reputation has spread far and wide. Today, we have set up various channels such as telephones and email addresses to communicate with customers. We sincerely invite all the talented people in the world to join us in seeking development together.