國內焊管價格繼續上漲。經過大幅拉漲以后，鋼市謹慎情緒，今日期盤震蕩趨 弱，現貨大部分品種漲幅收窄。但午后市場再傳消息：唐山21日15點到28日0點啟動重污染減排：鋼企燒結限產50%、焦化調整最長結焦、軋鋼停產、大車禁止入廠；港口車輛禁止進出港區，受此影響，市場看漲熱情依然不減。焊管方面，今日國內焊管價格繼續拉漲，目前河北地區主流管廠焊管4寸(3.75mm) 出廠報價仍在4530-4660元之間，管廠缺貨較明顯，總體成交可。下游市場，今日個別地區繼續追漲，但由于價格過高，整體成交一般。而隨著價格的不斷 拉漲，各地區倒掛情況有所好轉。目前來看，環保政策一波嚴似一波，原料緊張局面短期內仍難有改觀，因此國內焊管價格將繼續堅挺運行。Domestic welded pipe prices continue to rise. After a sharp rally, the steel market cautious mood, today's volatility weakened, spot most varieties narrowed. But after the afternoon market news: Tangshan 21 15:00 to 28:00 to start heavy pollution emission reduction: steel sintering production limit 50%, coking adjustment longest coking, rolling stoppage, trucks are prohibited from entering the factory; port vehicles are prohibited from entering and leaving the port area, affected by this, the market is still bullish enthusiasm. Welded pipe, today's domestic welded pipe prices continue to rise, the Hebei mainstream pipe factory welded pipe 4 inch (3.75 mm) factory price is still between 4530 - 4660 yuan, pipe factory shortage is more obvious, the overall transaction can be. The downstream market continues to catch up in some areas today, but because of the high price, the overall turnover is generally. As prices continue to rise, regional upside down has improved. At present, the environmental protection policy is like a wave of waves, the shortage of raw materials is still difficult to change in the short term, so the domestic welded pipe prices will continue to run strong.價格方面：國內重點城市4寸(3.75mm)焊管的平均價格為4692元，比昨日價格上漲 19元，其中中心城市唐山漲20元、上海漲50元、濟南漲50元、廣州漲50元，其他中心城市漲后維穩。Price: The average price of 4 inch (3.75 mm) welded pipe in key cities in China is 4692 yuan, 19 yuan higher than yesterday's price. Tangshan, Shanghai, Jinan and Guangzhou are 20 yuan higher, 50 yuan higher, and other central cities are stable after the rise. 方管