holds could be a first step. to . start it. this factory outside south korea s capital seoul shouldn t even exist. up to two years ago the spacing rings for shock absorbers that the workers produce here were made in north korea in a special collaborative economic zone of k. song just behind the border as che tech was the first company to set up shop there back in two thousand and four industrial park is unusual as tech c o u chunk tells me it s run jointly by the two koreas the biggest advantage of the collaboration has been having access to north korean workers.