(Yicai Global) Dec. 26 -- Shares of Yunnan Energy New Material surged after the world's biggest manufacturer of battery separator film extended its order streak by adding a CNY1.9 billion (USD272 million) deal with SVOLT Energy Technology, an affiliate of carmaker Great Wall Motor.

Yunnan Energy [SHE: 002812] surged 5.9 percent to close at CNY139.98 (USD20.10), but still 45 percent down this year.

A Shanghai unit of the supplier will sell battery manufacturer SVOLT isolation film worth CNY1.9 billion pre-tax, ensuring the supply, the Yuxi-based vendor said in a statement recently.

This is the third supply agreement that the Shanghai subsidiary has penned with a battery maker since Nov. 30 and those two earlier clients include China Lithium Battery Technology and Volkswagen-backed Gotion High-Tech.

Yunnan Energy is the global No. 1 manufacturer of battery separator film based on capacity and shipments and it has lately been expanding production. From January to September, the company boosted its net profit by 84 percent to CNY3.2 billion from a year ago while revenue jumped 74 percent to CNY9.3 billion.

Editor: Emmi Laine, Xiao Yi