The long-acting controlled-release resin coated urea developed by Beijing Academy of Agriculture and Forestry Sciences is a high-tech product with independent intellectual property rights in China.
The controlled release fertilizer of Shandong Shi Mao Ecological Fertilizer Co., Ltd. adopts the patented technology of "biodegradable solvent-free ultra-thin polyurethane" which is independently developed and has the international advanced level.
The 90-day slow-release coated urea of CNOOC and Sinopec Fudao is the first controlled-release fertilizer product independently developed by China.