Munguva pfupi yapfuura, PVTECH inogashira nhau dzakanaka-iyo yakakwira lumen inoshanda yakatungamira chubhu yakahwina imwe yeJapan Patent.Makore gumi apfuura, PVTECH yanga isiri munhu mumaindasitiri anotungamirwa, asi ikozvino, tave nerukudzo rwakawanda-1.Wepamusoro 1 akatungamira chubhu mutengesi mumusika wekuJapan 2. Mutengesi akahwina mapentendi echiJapan akawanda muChina.3. Mutengesi akagadzira iyo yepamusoro lumen inoshanda yakatungamira chubhu.Isu tinotenda kuti nekuedza kubva kuvashandi vese, PVTECH ichave nani uye nani.