(Yicai Global) March 4 -- Shares of firms related to China-Russia trade have surged amid the Ukraine conflict, with Jinzhou Port rising by the daily limit for six straight trading days since Feb. 25. The gains have come even though some of the firms told investors they have limited dealings with Russia. 

Shares of Jinzhou Port [SHA:600190] closed 9.9 percent higher at CNY5.9 (USD0.9) today, while Sicher Elevator, Hubei Forbon Technology and Xinjiang Tianshun Supply Chain were all up 10 percent. 

Jinzhou Port, a regional harbor in Jinzhou, Liaoning province, has convenient marine access to Russia's Siberia region from north China. 

Whether listed Chinese companies have trade relations with Russia has become a hot topic among investors, amid speculation that trade links could get closer as Western sanctions on Russia bite. 

Sicher Elevator exports passenger lifts to the Russian market but the proportion is small in its overall business, the Huzhou-based company said, adding that sales are normal at present. 

JInzhou Port, Hubei Forbon Technology and Xinjiang Tianshun Supply Chain did not reply to questions from Yicai Global. 

Various other listed businesses have seen sharp rises in their share prices despite limited connections with Russia.

Cscec Scimee Sci & Tech's centrifugal machines are mostly used in domestic pharmaceutical and chemical areas, with only a few exports to Russia, the Chengdu-based firm said, adding that its overseas business has no significant influence on overall performance. 

ZYNP, a supplier of power piston assembly systems, has modest sales in Russia and the recent conflict has not affected its operations in that country’s market, according to the Henan-based company. 

Jilin-based Dirui Industrial, a medical testing products provider, said its Russian unit is operating normally, but it is following the local situation and has set out a series of measures to prevent and control risks. 

Aerospace Hi-Tech Holding Group's automotive electronics business involves supplying parts to Russian finished-vehicle makers, the Beijing-based firm said, but the sales only make up a small part of its total business. 

Editor: Tom Litting