Dynamics

Zhongding Hengsheng丨CHFE2023 7th China Hydrogen Energy Industry Conference Successfully Concluded!

Tech Empowerment | Outstanding PhD Yan Wei from Anhui Polytechnic University Appointed as "Deputy General Manager for Technology" at Zhongding Hengsheng

Registration Notice for Invitation to Quote: Diaphragm Compressor Machining Project (2nd Round)

French Veteran Revived Through Localization: Customer Reports Zero Production Fluctuation

Previously, our company undertook the transformation of a petrochemical company Corblin imported diaphragm compressor localization retrofit and returned the unit to return to the production site. Recently, the project ushered in a period of good news: the customer specifically sent feedback, indicating that the equipment was stable, safe and reliable, and did not cause any fluctuations in the production line throughout the whole process, and fully affirmed the achievements of this technological transformation. This simple and powerful affirmation is not only the highest praise for the technical strength of the project team, but also marks that this French "veteran" who has served for 36 years has successfully crossed the bottleneck of the life cycle and continues to escort the safe production of the enterprise with a new attitude. This Corblin diaphragm compressor, produced in France in 1990, is the company's "meritorious veteran", but its 36 years of super-long service have also made it "sick". Based on the pain points of on-site working conditions, Zhongding Hengsheng has tailored a full set of domestic upgrading and transformation plans to carry out systematic technology optimization. The operating efficiency of the unit has been significantly improved, and the service life of the diaphragm has been greatly extended, which directly reduces the consumption frequency of the core wearing parts. The vibration value of the equipment has dropped sharply, and the whole machine has made a leap in stable operation, providing a stable support for the precision process. Visualization and controllability enhance the real-time online display of oil drainage pressure, filling the blind spot of the original machine monitoring; the centralized layout of the pressure gauge makes it easy to read the parameters at a glance, and the controllability of equipment adjustment has increased comprehensively. The technical indicators of compliance and safety are all in line with the current national standards, which has established a solid line of defense for the long-term safe and stable operation of the equipment. Operation and maintenance costs are significantly reduced through localized substitution and performance optimization, effectively reducing the difficulty of spare parts procurement and daily maintenance costs. The user-friendly design improves the on-site operation experience, reduces the labor intensity of employees, and comprehensively optimizes the overall operating performance of the unit. Customer satisfaction is the best form of acceptance. From the "foreign equipment" that drifted across the sea 36 years ago to the "reassuring equipment" that is now adapted to local production needs, this localization upgrade has not only eliminated hidden dangers for enterprises, but also maintained production continuity, and has accumulated valuable replicable experience in upgrading imported equipment of similar overdue service. Looking ahead, Zhongding Hengsheng Service Center will continue this work.

Advancing National Hydrogen Strategy Through Core Equipment and Innovative Services

On August 11, the National Energy Administration officially released the "China Hydrogen Energy Development Report (2026)" (hereinafter referred to as the "Report"), which comprehensively sorted out and prospected the development status, technological breakthroughs and future paths of China's hydrogen energy industry. The "Report" also looks forward to the "15th Five-Year Plan", and proposes to take the breakthrough of industrial scale and application scenarios as the main goal, coordinate and promote the synergy of the whole chain of hydrogen energy "production, storage and transportation", and initially establish a relatively complete hydrogen energy industry technology innovation system. This top-level design sends a clear and powerful signal - the hydrogen industry is moving from demonstration operations to a critical window of scale. The release of the Report not only marks a new stage in China's hydrogen energy industry from pilot demonstration to large-scale development, but also points out the way forward for upstream and downstream enterprises in the industrial chain. As a cultivator of the domestic diaphragm compressor sector, Zhongding Hengsheng is deeply integrated into the overall situation of national hydrogen energy development with dual approach of core technology equipment and innovative service mode. (Source: China Hydrogen Energy Development Report (2026)) Hydrogen energy "heart": The diaphragm compressor accelerates through the entire industry chain. The equipment must keep up. As the "heart" equipment of the hydrogen energy industry, the importance of the diaphragm compressor is becoming more and more prominent. In the green hydrogen preparation process, it can achieve zero leakage hydrogen transmission under high pressure environment, ensuring that the high-purity hydrogen produced by the electrolyzer is not polluted during the pressurization process; In the hydrogen storage link, it is the core power source for efficiently pressurizing hydrogen into the hydrogen storage vessel, adapting to the pressure requirements of various technical routes such as high-pressure gaseous hydrogen storage and solid hydrogen storage. In the long-distance hydrogen transmission link, it can provide stable pressurization power for pipeline hydrogen transmission and support the landing of cross-regional hydrogen transmission projects such as "West to East". In the terminal hydrogen refueling stage, it is the core equipment of the hydrogen refueling station, which directly determines the hydrogen refueling efficiency and the safety of the hydrogen refueling process. Slide left and right to see more (in the order of D, L, P, V, Z type diaphragm compressors in the figure) for many years in-depth cultivation of the track, with the national hydrogen energy strategy co-frequency resonance since its establishment, has always focused on diaphragm compressor technology research and development and industrial application, has accumulated a deep technical heritage and project experience in the field of hydrogen energy. The company closely follows the national policy orientation and is active

Old Equipment, New Life | Localizing and Reviving a 40-Year-Old Compressor

At the industrial site, there is a special "veteran" - the French Burton Corblin diaphragm compressor. It was created in 1989 by the French engineer Henri Corblin and is now owned by the internationally renowned brand Howden. It is almost 40 years old. This machine is exposed to the open air for many years and silently assumes the responsibility of production. The stable service of industrial equipment is the core cornerstone of continuous production. Although many high-end equipment imported over the years have solid performance foundations, it has gradually become a dilemma due to the discontinuation of the original factory, aging components, and aging designs. Recently, Zhongding Hengsheng successfully completed the overall renovation and localization of this nearly 40-year-old "veteran", so that the old imported equipment has regained its new life and once again rushed to the production line for stable service. Before the transformation, it had already shown fatigue: low lubricating oil pressure, oil leakage in oil pipelines, wear at pipeline connections, and increased operating noise. The fuselage itself is already old, coupled with the cluttered layout when it was designed, there is almost no maintenance space reserved, and daily maintenance is difficult. In order to help customers reduce costs and maintain production, the company's leaders took the lead in setting up a special technical reform team to tailor a full set of domestic repair and optimization plans for the existing shortcomings and historical design defects of the equipment. When we disassemble this old equipment, the rusty shell and severely aged parts are suddenly in sight, as if to announce that the industrial life of this equipment has come to an end. However, we did not choose to give up. The team replaced the aging parts with localization, re-optimized the pipeline layout, rectified the oil circuit system, repaired the structural defects of the whole machine, synchronously debugged the pressure working conditions, optimized noise reduction, and restored the core performance of the equipment. After systematic precision restoration and technical transformation, the performance indicators of this 40-year-old equipment have been fully restored, and the operating conditions are stable, safe and reliable. It has now been successfully shipped back and put back into production and service. By replacing the purchase of new machines with technological transformation, we not only awaken the potential value of old equipment, but also help customers reduce costs and ensure continuous production. Every restoration is a tribute to the spirit of industry; every reborn device is a testament to our commitment to our customers.

Old Equipment, New Life | A Cross-Border Equipment Revival

Years are the toughest touchstone for industrial equipment. In the high-end industrial fields of chemical industry, hydrogen energy, and semiconductors, where the stability of equipment is almost demanding, German-made equipment has been the "ballast stone" of countless enterprises. The hofer high-pressure compressor produced by Andreas Hofer Hochdrucktechnik GmbH has played a core role in countless production lines with the top technical standards and strict safety standards of the year, accompanying enterprises through a period of critical years of production capacity climb. But time never favors any industrial equipment. After more than a decade or even decades of continuous operation, the erosion of the years has already quietly occurred: the seals are aging, the pipelines are worn, the accuracy of the core components has declined, and what is more tricky is that the original parts have long been discontinued, the overseas procurement cycle is many months, and the prices have soared year after year. Many companies watch these "veteran machines" who invested heavily in the introduction of the year fall into a dilemma: continue to repair, can not find adapted accessories, frequent failures may stop the line at any time; directly replace new imported equipment, millions of procurement costs, long delivery cycle, and will bring great pressure to the enterprise's capital turnover and continuous production plan. This is the industry predicament faced by almost all imported diaphragm machines and high-pressure compression equipment that have been in service for many years. And "replacing new machine procurement with technological transformation" is precisely the recipe that Zhongding Hengsheng has developed for these aging industrial equipment. Relying on the core technology of self-developed high-pressure equipment, the enterprise tailors the technical transformation optimization and renovation repair plan for the equipment, replaces the new machine procurement with accurate technical transformation, accurately repairs the operating weakness of equipment operation and reshapes the excellent working conditions of the equipment, maximizes the residual value of the old imported equipment, helps the enterprise to greatly reduce the cost of equipment procurement, fully guarantees the continuous and stable operation of the production line, and rejuvenates the aging industrial equipment. For foreign compressors that are not equipped with oil discharge pressure display, unable to manually unload and adjust the oil pressure, we redesigned the hydraulic and control system. After the transformation, the pressure gauge is centrally arranged in the operation panel, and the operation is more in line with the ergonomic requirements of the front-line personnel; the manual light-load start-stop function is added to make the equipment start-stop more smoothly; the oil discharge pressure is monitored visually in real time, and the control initiative will be taken.