August 10 -- Jiangsu Lanfeng Bio-chemical (002513.SZ) filed it will pay a cash dividend of three yuan and convert eight shares from surplus reserves for every 10 shares held, reports yicai.com.

Lanfeng Bio-chemical, which is based in Xinyi city, posted net profit and revenue grew 30.25 percent and 36.31 percent year-on-year to 54.71 million yuan and 591 million yuan in the first half.

It attributed the growth to larger production scale and growth in sales volume. At the same time, operating costs rose 37.53 percent year-on-year, led primarily by material costs. The gross margin of its major product, pesticides, slumped 1.79 percentage points year-on-year to 19.55 percent in the first half.