Trinity Calcium is a premier manufacturer and exporter of industrial minerals and construction chemicals based in New Delhi, India. Established in 1980 as part of the diversified Trinity Group, the company operates an ISO 9001:2008 certified facility and maintains an independent R&D team to support its OEM and manufacturing operations. The company specializes in the production of surface treated calcium carbonate powder, uncoated calcium carbonate, and processed talc, steatite, and soap stone powder. Their chemical portfolio includes sodium sulphate and a comprehensive range of construction solutions such as one coat plaster (gypsum plaster), concrete admixtures, waterproofing compounds, tiling aids, and grouts. Trinity Calcium also provides high-performance protective coatings, epoxy flooring, and decorative coatings. Serving large industrial applications across the paper, plastic, rubber, and paint industries, the company leverages professional pre-sales and post-sale networks to support its global export capabilities.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Established brandFounded in 1980, with over 20 years of industry experience.
Experienced exporterHas extensive experience in global trade.
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Customers
YETI POLYCHEM
131 shipments
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Certifications
ISO 9001
2
International Organization for Standardization 9001
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Key export market
🇳🇵 Nepal🇳🇵 Nepal
🇧🇭 Bahrain🇧🇭 Bahrain
🇧🇩 Bangladesh🇧🇩 Bangladesh
🇷🇺 Russia🇷🇺 Russia
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0 kg
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Changshu Hongyu Calcium Co., Ltd. is a vertically integrated manufacturer and exporter established in 1984, specializing in high-purity calcium-based chemical products. Based in Changshu, Jiangsu, the company operates as a High-Tech Enterprise with an annual production capacity exceeding 500,000 metric tons. Its core "Calcium Trio" includes Calcium Oxide (CaO), Calcium Hydroxide (Ca(OH)₂), and various grades of Calcium Carbonate (CaCO₃), including nano, light, and heavy precipitated varieties. These products serve diverse sectors such as petroleum additives, lubricants, environmental wastewater treatment, food processing, and metallurgy.
With over 40 years of technical expertise, the company maintains three advanced processing lines and its own limestone mine, ensuring strict quality control from raw material to finished product. Changshu Hongyu Calcium collaborates with the Chinese Academy of Sciences and various universities to implement optimized calcination and hydration processes, achieving energy efficiency and high purity levels (up to 99.9%). The company is ISO 9001 and SGS certified, utilizing real-time XRD/XRF analysis to meet international standards.
As a professional B2B supplier, the company offers OEM and ODM services, catering to specific client requirements for particle size and chemical composition. Their products are widely utilized by large petrochemical enterprises and are exported to international markets, including Southeast Asia and the Middle East. The facility employs between 51 and 100 people and is recognized for its reliable delivery and scientific management practices.
Low Iron High Whiteness Calcium Hydroxide Hydrated Lime Powder$189
Premium Calcium Oxide Powder 95% Purity for Export$109
Premium Low Iron Calcium Hydroxide Powder with Good Price for Sale$119
Superfine Nano Calcium Carbonate for Industrial Applications$290
High Quality High Purity 99.5% Calcium Hydroxide for Lubricating Oil Additive$105
95% High Purity High Activity Calcium Oxide Quick Lime for Industrial Applications$105
High Whiteness Low Iron Calcium Hydroxide for Industrial Applications$105
High Purity Quicklime Premium Calcium Oxide for Industry Petroleum Additive$109
Premium Grade Calcium Hydroxide Powder Hydrated Lime for Industrial Use$135
Calcium Hydroxide as Essential Additive for Optimal Lubricant Oil$125
Premium High Activity Calcium Oxide for Industrial Applications From China$105
Premium Calcium Hydroxide Powder for Superior Water Treatment$180
Gongyi Zhongxin Calcium Co., Ltd.
🇨🇳 China
200811-50 peopleManufacturer/Trading Company
Product customization
Key market
Europe
Description
Gongyi Zhongxin Calcium Co., Ltd. is a manufacturer and trading company based in Zhengzhou, China, specializing in processed materials for the metallurgy and steelmaking industries. Established in 2008, the company operates a factory covering 50,000 square meters with 30,000 square meters of construction area. They are a key producer of calcium metallurgical wire, solid core pure calcium wire, pure calcium core, calcium stick, and calcium metal. With a workforce of 11 to 50 employees, Gongyi Zhongxin Calcium Co., Ltd. focuses on developing products such as steelmaking used refining mud and calcium ferrite, designed to enhance steelmaking efficiency and reduce costs. The company maintains long-term business relationships with major steel enterprises and serves both domestic and international markets.