Not bad. Technicians are considerate, skilled, satisfied, delicate and moderate in strength. Qinhuangdao, a prefecture-level city under the jurisdiction of Hebei Province, is the first batch of coastal open cities in China, the earliest independent trading port in China, a national comprehensive transportation hub, an important port city around the Bohai Sea in China approved by the State Council, an important functional area in the capital economic circle, and a famous coastal tourism and leisure resort.