"Today I have cooperation with Chinese suppliers for raw materials, also for packaging, glass bottles, cartons, pumps, jar caps and everything about cosmetics," said Kozeluh.

Kozeluh说：“今天，我与中国的原材料供应商进行了合作，包括包装、玻璃瓶、纸箱、泵、瓶盖和化妆品等。”。

Currently, on Taobao, the price of a jar of dark plum jam ranges from 20 yuan ($2.9) to 140 yuan, with many such products carrying tags cueing Li's song, which offers a "taste of love".

Then she tamped the wool down in the jar on her workbench dozens of times, so that the wool became more solid and even.

Hu, the brushmaker, has done the job for 14 years, becoming more experienced and skilled at dunguan, a Chinese word meaning "tamping jar".

Its crispy peanut candy container and Chinese New Year candy jar both acquired recyclable certification from the China Synthetic Resin Association and Beijing Pro-eco Material-Tech Ltd. Its lollipop products are also expected to acquire such certification soon.