FOREIGN Secretary Douglas Hurd hit back at the latest attempts to hurt trade between Britain and China last night, warning that the British Government would take a serious view of it. Mr Hurd said he understood the concerns among British business people about threats from Chinese officials to British commercial interests. He told businessmen in the English Midlands: ''When the decibel level was particularly high during last year our exports to China went up by 80 per cent. So far we have no hard evidence of discrimination. ''If any of your members do have evidence of it, they should let us know at once. We would take a serious view of it.'' Mr Hurd said discrimination against Britain because of the row over London's proposals for Hong Kong political reforms would not be in the spirit of China's application to join the General Agreement on Tariffs and Trade. ''Nor would it serve any useful purpose. We are seeking to put the differences with China on Hong Kong electoral issues to one side and to maintain normal relations in the many areas in which we and the Chinese have common interests,'' he said. ''Trade with and investment in Hong Kong and China should go hand in hand.'' The Foreign Secretary said the Government worked hard to provide an excellent environment for trade and investment in Hong Kong and through Hong Kong into China. ''The mood of the business community in Hong Kong is bullish, particularly among overseas investors.'' Yesterday in Beijing, China's Minister of Foreign Trade and Economic Co-operation, Wu Yi, added fuel to the fire, saying the ''unco-operative attitude'' the British Government was taking over Hong Kong was likely to affect Sino-British trade ties. Ms Wu said bilateral trade relations were ''not bad on the whole, and the potential for their development is also great'', but warned it was difficult to say that the unco-operative attitude of the British Government would not affect trade. Ms Wu also said foreign investment in China had reached a record last year, nearly matching the total for the previous 14 years. The mainland last year approved 83,265 foreign-funded projects with a total contract value of US$110.85 billion. Of this $25.76 billion was disbursed during 1993. The figures represent a 70 per cent increase in the number of projects approved, a 90 per cent rise in funds committed, and a 134 per cent jump in the amount of investment disbursed compared with 1992. By the end of 1993, China had, since its opening up to the outside world in the late 1970s approved 174,000 foreign-funded projects with $217.2 billion in committed investment, with a total of $60 billion disbursed. Investment last year was marked by big multinationals plunging into the market. Ms Wu said most investment still went to the booming coastal areas, but more and more money was reaching the hinterland, Ms Wu said.