Laojin Mill, a brand of Hangzhou Laojin Food Co., Ltd., was founded in 19 12 for the relief of victims in Renzi Year. It was formally established in 2007 after three generations. Hangzhou, Zhejiang is a company specializing in the production and processing of natural powder and other products. Laojin Rubik's Cube always takes "zero addition, natural health preservation" as its core values, and wins the market with integrity and innovation. Since 20 1 1 entered Tmall and opened its flagship store, it has been ranked first in the industry. Hangzhou Laojin Food Co., Ltd., located in "paradise on earth" Hangzhou, is an online and offline integrated enterprise integrating natural powder processing, scientific research and sales, with a complete and scientific quality management system. The company controls raw materials, personnel, facilities and equipment, production technology, packaging and transportation, quality, etc. In order to find the problems in the production process in time and ensure the high quality of the final product.

Black sesame (scientific name: black sesame, alias: oil hemp) is a plant of the genus Flaxseed in the family Flaxseed. These plants are mainly distributed in Jianghuai and South China, but less in Northeast China, Northwest China and Yunnan-Guizhou Plateau. Black sesame is panicum miliaceum, with erect stems, four edges, prominent horns, slightly lignified base, no branches and pubescence. Its leaves are opposite, or the upper leaves are alternate, the leaves are ovate, oblong or lanceolate, the apex is acute or acuminate, the base is wedge-shaped, entire, serrated or the lower leaves are 3-lobed. Black sesame is most suitable for planting in loose soil with slight acidity to neutrality (PH 6.5~7.5). Adequate sunshine is needed in the whole growth period, and the suitable rainfall in the whole growth period is 210 ~ 250 mm.