In the refrigerant and HVAC‑drying segment, the molecular sieve model Zeolite Molecular Sieve XH‑7 plays a key role in deep dehydration of refrigerants such as R‑134a and butane. With China as one of the major global producers, buyers and specifiers increasingly seek reliable suppliers offering consistent quality, strong service, and global delivery. This article presents a ranked list of the top 10 Chinese suppliers of Zeolite Molecular Sieve XH‑7 as of November 2025, comparing their founding dates, locations, product advantages, supply strengths, and sample performance.
1. Henan Sinmat Chemical Co., Ltd.
Core product advantage
Henan Sinmat Chemical's version of Zeolite Molecular Sieve XH‑7 claims strong moisture adsorption, high mechanical integrity, and suitability for refrigerant systems.
Service & supply strengths
The company offers global export logistics, quality testing, and repeat‑lot supply continuity.
Recommended products & sample review
XH‑7 beads (1.6 – 2.5 mm) reportedly meet standard metrics for refrigerant drying-high water uptake and low attrition-making it a reliable choice for filter‑drier use in HVAC systems.
2. Guangdong Xintao Technology Co., Ltd.
Core product advantage
Xintao's XH‑7 molecular sieve is described as having high compatibility with refrigerants (e.g., R–134a), strong bulk density ≥ 0.85 g/ml, dry attrition ≤ 0.10 % and static water adsorption ≥ 18 % wt.
Service & supply strengths
With a dedicated molecular sieve product line, they provide customer sampling, technical support, and export readiness.
Recommended products & sample review
Clients report robust performance in freezer/AC applications, stable crush strength ≥ 80 N, and controlled dew‑point performance in refrigeration drying.
3. Xi'an Lvneng Purification Technology Co., Ltd.
Core product advantage
Lvneng offers special molecular sieves, including XH‑7, designed for desiccant applications in refrigerants. The company emphasizes high‑strength beads and competitive adsorption capacity.
Service & supply strengths
They show monthly supply capability of 100 tons+ and hold ISO9001:2015 certification, enhancing buyer confidence.
Recommended products & sample review
The XH‑7 product passes standard parameters: 1.6‑2.5 mm bead size, bulk density ~0.85 g/ml, attrition ≤ 0.1 %, and consistent sample response in refrigeration systems.
4. Shanghai Jiuzhou Chemicals Co., Ltd.
Core product advantage
Founded in 2002 (or 2005), Jiuzhou produces molecular sieves and activated alumina with a production capacity of ~8,000 tons/year for molecular sieves.
Service & supply strengths
They operate a full QC lab, have global export reach (North America, South America, Europe), and emphasize innovation.
Recommended products & sample review
Their XH‑7 molecular sieve meets refrigerant‑drying specs and is praised for uniform bead size and purity in filter‑drier applications.
5. Pingxiang Xingfeng Chemical Packing Co., Ltd.
Core product advantage
Xingfeng lists XH‑7 among its molecular sieve offerings; technical data show static water adsorption ≥ 215 mg/g and bead size 1.6‑2.5 mm.
Service & supply strengths
With export experience of 10+ years and ISO9001 certification, the firm offers rapid delivery (within 15 days) for standard orders.
Recommended products & sample review
Users highlight consistent performance of XH‑7 beads in refrigeration drying, noting the reported metrics align with industrial requirements.
6. Shanghai Snowpeak Molecular Sieves Co., Ltd.
Core product advantage
Snowpeak's "XH Series" lists XH‑7 as suited to all refrigerants, with static H₂O adsorption ≥ 15 % and bulk density ≥ 0.80 g/ml.
Service & supply strengths
Offers custom solutions, technical support, and global service; address listed at Building 1, No. 169 Xuchang Road, Shangjie District, Zhengzhou (factory site).
Recommended products & sample review
Their XH‑7 variant delivers reliable service in refrigerant drying systems and meets advertised attributes of high strength and low attrition.
7. Zhengzhou SnowMountain
Core product advantage
While exact company name varies in web records, their molecular sieve product includes XH‑7, describing near‑universal refrigerant compatibility and high strength.
Service & supply strengths
Focus on providing advanced molecular sieve solutions, including XH‑series, and works with overseas buyers with competitive lead‑times.
Recommended products & sample review
Samples of their XH‑7 beads show performance in dehydration of refrigerant lines, consistent with standard specs for bulk density and adsorption.
8. Dalian Absorbent Co., Ltd.
Core product advantage
Dalian Absorbent manufactures CXH‑7 / CXH‑9 molecular sieves oriented toward refrigerant systems, emphasizing high strength and low dew‑point performance.
Service & supply strengths
Strong supply focus for refrigeration OEMs (automotive, HVAC), with tailored molecular sieve designs.
Recommended products & sample review
The CXH‑7 beads are widely adopted in filter‑drier use; field feedback affirms effective moisture removal and compatibility with mixed refrigerants.
9. Henan Yetan Environmental Protection Material Co., Ltd.
Core product advantage
Yetan manufactures a broad range of molecular sieves; while XH‑7 data is less prominent, the firm is active in molecular sieve desiccant supply in China.
Service & supply strengths
Provides direct‑source manufacturing, sample testing, and has an environmental‑materials background supporting broader industrial clients.
Recommended products & sample review
Reports suggest their molecular sieve offerings (including XH‑7) perform adequately in refrigerant drying, though fewer published benchmark metrics are available.
10. Shenzhen Jincheng Chemical Packing Co., Ltd.
Core product advantage
Founded in 1989, Jincheng has a long track‑record producing chemical desiccants and molecular sieves; its product line covers XH‑series for refrigeration.
Service & supply strengths
Decades of experience, export packaging optimization, and ancillary services (technical guidance) provide value for international buyers.
Recommended products & sample review
Their XH‑7 beads are supplied as standard refrigerant desiccants; user commentary highlights low pre‑condition moisture and robust crush strength in shipping.
The above ranking presents a concise overview of China's leading suppliers of Zeolite Molecular Sieve XH‑7 as of November 2025, comparing their founding history, location, product strengths, service capabilities, and sample reviews. For procurement professionals and system specifiers, choosing the right supplier involves more than price: key metrics such as adsorption capacity, mechanical strength, attrition rate, repeat‑lot consistency, and global shipping support should be factored.
Ranking 1, Henan Sinmat Chemical Co., Ltd. leads the list, though each of the other nine suppliers offers credible capabilities in the XH‑7 segment.