Lianxin Sand Group: A China's high-end casting material provider

As a representative enterprise of "China's high-end casting material provider", Lianxin Sand Group was established in 2006, and its headquarter is located in County Zhangwu, Liaoning Province, which enjoys the reputation of "China's Sand County".

County Zhangwu is one of the three major sand sources for foundry sand, the only foundry sand resource in Liaoning province, and the natural aeolian sand in northern China is well-known for the foundry industry in the world. The natural aeolian sand has the characteristics of round shape, moderate SiO2 content and clean surface. It is recognized as the most ideal natural casting material in the industry.

Lianxin Sand Group is a "high-end foundry material provider" specializing in the research, development, production and sales of foundry sand. After years of development, the annual sales volume of all kinds of casting sand exceeds 700,000 tons, and the annual sales volume is about 350 million RMB.

Based on the high-quality natural sand resource, Lianxin Sand Group has produced various high-quality resin coated sand products through continuous innovation and research by its independent R&D center. At the same time, the group has advanced reclaimed sand production lines, which can provide reclaimed sand products for different foundry enterprises.

Till now, Lianxin Sand Group currently has production bases in Zhangwu, Liaoning; Weifang, Shandong; and Quanzhou, Fujian.

In 2017, Lianxin Sand Group and Japan's Yamakawa Sangyo Co., Ltd. jointly established the "Zhangwu County Lianxin Spherical Foundry Sand Co., Ltd." Lianxin Sand Group introduces advanced technology from Japan and engages in the research and development and production of high-end artificial spherical foundry sand. Products include fused ceramic sand, new ceramic sand (powder) and others.

In 2021, Lianxin Sand Group and Shenyang Research Institute of Foundry Co., Ltd. jointly developed domestic high-end sand products for 3D printing, so that high-end 3D printing sand products will be available for Chinese foundry companies. ■

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作为“中国高端铸造材料提供商”代表企业的联信铸 砂集团成立于2006年，其总部坐落于享有“中国砂都” 美誉的辽宁省彰武县。彰武县是铸造用砂三大砂源地之 一，辽宁省唯一铸造砂资源地，中国北方天然风积砂,闻 名于全球铸造行业。其采用的砂源为“天然风积砂”， 具有粒型圆整、含硅量适中、表面洁净等特点，是行业 内公认的最理想天然铸造材料。 同时，联信铸砂集团是一家专业从事铸造用砂研发、生 产、销售为一体的“高端铸造材料提供商”。截止目前， 各类铸砂年销量超过70万吨，年销售额3.5亿元左右。 勤于创新的联信铸砂集团，拥有自主研发中心，以优 质的原砂为基础，经过大量的创新与研发，可加工出各 类优质的覆膜砂产品。同时拥有先进的再生砂生产线， 可以为铸造企业提供再生砂产品。 联信铸砂集团目前在辽宁彰武、山东潍坊、福建泉州 等地建有产品生产线。 2017年，不断创新的联信铸砂集团又与日本山川产 业株式会社合资，成立“彰武县联信球形新材料有限公 司”。引进日本先进技术，从事高端人造球形砂的研发 与生产。产品有熔融陶瓷砂、新型陶瓷砂（粉）等产品。 2021年，联信铸砂集团与沈阳铸造研究所共同研发出 国产高端3D打印砂产品，从而使得中国铸造企业可以使 用上国产的高端3D打印砂产品。 ■

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