ABOUT US
About Kelin
Founded in 2018, Henan Kelin Supply Chain Co., Ltd. inherits the original aspiration and accumulation of its predecessor, Gongyi Oujieyuan Environmental Protection Technology Service Co., Ltd..
Founded in 2018, Henan Kelin Supply Chain Co., Ltd. inherits the original aspiration and accumulation of its predecessor, Gongyi Oujieyuan Environmental Protection Technology Service Co., Ltd., and has completed the strategic transformation from environmental protection technology services to professional foreign trade. With a new attitude, we deeply cultivate the global market, becoming a high-quality supply chain service provider focusing on alum products, connecting Chinese intelligent manufacturing with global demand with ingenuity and responsibility.
30+
Years of production experience
12000
Annual output in tons
13
Certificates
40+
Exporting Countries
High purity, low impurities, stable performance
High purity, low impurities, stable performance
Available in block, granular and powder forms
Support customized packaging, OEM, and provision of COA & MSDS
Provide samples, COA, MSDS, and customs declaration documents
Provide samples, COA, MSDS, and customs declaration documents
Customized Alum Solutions
We provide full-process and customized foreign trade service support for global customers, helping partners easily expand their business and reduce cooperation costs.
DESIGN NOW
We provide flexible order services, supporting small-batch trial orders and large-batch customization, strictly controlling the order delivery cycle. Relying on the efficient cross-border supply chain system, we ensure the safe and on-time delivery of goods, track the logistics status throughout the process, and allow customers to grasp the goods dynamics in real time.
At the same time, we have a professional after-sales team to provide comprehensive after-sales guarantee. For the questions and technical problems in the process of product use, we provide timely response and solutions; assist customers in handling foreign trade-related matters such as customs declaration and clearance, simplify the cooperation process, and reduce customer operation costs.
KELIN NEWS
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Using our food-grade alum (Purity 99.6% Min, White Crystalline) for traditional tanning and degreasing treatment, with a controlled concentration of 6%-7%.
Using our food-grade alum (Purity 99.6% Min, White Crystalline Powder) as a mordant to assist dye fixation, with a soaking concentration of 3.5%-4.5%.
Using our industrial alum (Purity 99. 2% Min, Granule Size: 30-70Mesh) as coagulant, combined with flocculation process, with arecommended dosage of 60-90ppm.