2026-07-29

Breakthroughs in process technology! Ruihua has upgraded its processes in collaboration with Clariant Catalysts, helping Ningbo Huatai’s styrene unit achieve another outstanding operational performance.

Recently, Ningbo Huatai Shengfu Polymer Materials Co., Ltd. (hereinafter referred to as “Ningbo Huatai”) has delivered an impressive operational performance from its 400,000‑ton‑per‑year styrene production unit. The facility employs an advanced, proprietary ethylbenzene dehydrogenation process developed by Changzhou Ruihua Chemical Engineering Technology Co., Ltd. (Ruihua Technology), along with Clariant’s high‑performance StyroMax™ UL‑3 catalyst, which features an ultra‑low water‑to‑oil ratio. Since the plant was restarted following a catalyst change in December 2024, multiple key operating metrics have consistently reached record‑breaking levels, achieving outstanding performance characterized by long‑term operation, high load rates, low energy consumption, and stable running conditions.

2026-07-20

Pioneering Low-Carbon Chemicals to Drive Industrial Upgrading | Ruihua Technology Invited to Attend the 2026 China Refining and Chemical Enterprises Technology Achievement Exchange Conference

On July 16, 2026, the 2026 China Refining and Chemical Enterprises Technology Achievement Exchange Conference was grandly inaugurated in Beijing. As a premier industry event of significant influence in China’s refining and petrochemical sector, the conference brought together leaders from PetroChina, academicians of the two academies, and top technical experts from across the nation’s refining and chemical industries. Focusing on key themes such as green and low-carbon development, smart refining and chemical processing, and safe production, the event convened to jointly explore innovative pathways for the transformation and upgrading of the refining and chemical industry. Changzhou Ruihua Chemical Engineering Technology Co., Ltd. was invited to attend, engaging in in-depth exchanges with industry peers on cutting-edge technological achievements.

2026-07-13

Bringing Together Talent in the “Chang” Triangle, Leading the “New” Future with Intelligence — Ruihua Technology Co‑hosted the 4th East China University of Science and Technology Industry Forum, Empowering Industrial Innovation and Upgrading.

On July 11, the Fourth HuaLi Industry Forum was held in Changzhou, Jiangsu Province.

2026-06-17

Good News | Ruihua Technology’s latest patent has been granted by the United States Patent and Trademark Office.

Recently, the technology “Low-Pressure-Drop Ethylbenzene Evaporator and Energy-Saving Process for Ethylbenzene Vaporization in the Styrene Dehydrogenation Reaction System,” independently developed by Ruihua Technology, has been granted a patent by the United States Patent and Trademark Office.

2026-06-02

Breaking New Ground, Enhancing Quality through Green Practices | Ruihua Co‑hosts a Major Industry Event, Empowering High‑Quality Development of the Epoxy Industry Chain

Faced with dramatic shifts in the market environment, how can the propylene oxide industry break through and achieve high-quality development? On May 27, the 2026 (8th) Propylene Oxide Industry Chain Innovation and Development Conference, together with a technical and market exchange on epichlorohydrin, was held in Yichang, Hubei Province. The event was hosted by China Chemical News Co., Ltd. and co-organized by Changzhou Ruihua Chemical Engineering Technology Co., Ltd.

2026-03-31

Good News | Ruikai Equipment Successfully Passes ASME Re-certification Audit

Recently, Changzhou Ruikai Chemical Equipment Co., Ltd. successfully passed the certification audit conducted by the American Society of Mechanical Engineers (ASME) and obtained the ASME Authorization Certificate for Pressure Vessel Fabrication, thanks to its robust technical expertise and comprehensive quality management system. This milestone signifies that Ruikai’s design, manufacturing, and quality-control systems have now met internationally recognized standards, thereby officially qualifying its pressure vessels and other critical equipment for entry into mainstream global markets.

2026-03-25

Good News | Ruikai Equipment Successfully Passes ASME Re-certification Audit

2026-01-05

The core patented equipment for the POSM unit manufactured by Changzhou Ruikai Equipment has been dispatched and delivered.

According to a report by China National Chemical News, on December 30, 2025, in the production workshop of Changzhou Ruikai Chemical Equipment Co., Ltd. (hereinafter referred to as Ruikai Equipment), despite the biting cold, the workers were still brimming with enthusiasm for production. Technical staff and workers cooperated seamlessly to lift and install equipment, creating a bustling and vibrant scene. The core patented equipment for a propylene oxide and styrene co-production unit—carefully manufactured by the company for Rongsheng New Materials (Zhoushan) Co., Ltd. with a capacity of 270,000 tons/year of propylene oxide and 600,000 tons/year of styrene—has been successfully loaded onto trucks.