| Std ID | Description (Standard Title) | 
				
            
                | HGJ 28-1990 | (Static grounding design procedures chemical companies) | 
        
				
            
                | HGJ 30-1990 | (Phenolic acid chemical equipment design requirements) | 
        
				
            
                | HGJ 31-1990 | (Acid Bakelite lining equipment design requirements) | 
        
				
            
                | HGJ 3-1986 | (Ammonia saving design requirements) | 
        
				
            
                | HGJ 32-1990 | (Rubber lining Chemical Equipment) | 
        
				
            
                | HGJ 34-1990 | (External chemical equipment, pipeline corrosion design requirements) | 
        
				
            
                | HGJ 36-1990 | (Chemical companies boiler room design and calculation requirements) | 
        
				
            
                | HGJ 37-1990 | (Boiler room, steam room technical requirements of civil load design conditions) | 
        
				
            
                | HGJ 38-1990 | (Chemical torch and exhaust tower design requirements) | 
        
				
            
                | HGJ 39-1990 | (Chemical industrial furnace fuel combustion design and calculation requirements) | 
        
				
            
                | HGJ 40-1990 | (Chemical industrial furnace refractory, insulation design selection requirements) | 
        
				
            
                | HGJ 41-1990 | (Chemical industrial furnace design metal material selection requirements) | 
        
				
            
                | HGJ 4-1986 | (Soda saving design requirements) | 
        
				
            
                | HGJ 42-1990 | (Chemical Industrial Furnace uniform regulations Terminology) | 
        
				
            
                | HGJ 500-1986 | (Chinese Industry Standard) | 
        
				
            
                | HGJ 502-1986 | (Chinese Industry Standard) | 
        
				
            
                | HGJ 503-1986 | (Stainless people, hand-classification and technical conditions) | 
        
				
            
                | HGJ 504-1986 | (Pressure stainless steel manhole) | 
        
				
            
                | HGJ 505-1986 | (Stainless steel manhole cover rotation) | 
        
				
            
                | HGJ 506-1986 | (Rotary quick open stainless steel manhole cover) | 
        
				
            
                | HGJ 507-1986 | (Horizontal hanging stainless steel manhole cover) | 
        
				
            
                | HGJ 508-1986 | (Vertical hanging stainless steel manhole cover) | 
        
				
            
                | HGJ 509-1986 | (Long round stainless steel quick open manhole) | 
        
				
            
                | HGJ 510-1986 | (Pressure stainless steel quick open hand hole) | 
        
				
            
                | HGJ 511-1986 | (Stainless steel flat cover hand hole) | 
        
				
            
                | HGJ 512-1986 | (Rotary quick open stainless steel hand hole cover) | 
        
				
            
                | HGJ 513-1986 | (Stainless steel rotary handle quick open hand hole) | 
        
				
            
                | HGJ 514-1987 | (Carbon steel, low alloy steel seamless pipe fittings) | 
        
				
            
                | HGJ 515-1987 | (FRP/PVC (FRP/PVC) composite pipe and fittings) | 
        
				
            
                | HGJ 517A-1991 | (Chemical companies and the cable trench laying cables buried generic diagram electrical part) | 
        
				
            
                | HGJ 517B-1991 | (Chemical companies and the cable trench laying cables buried universal figure. Civil works) | 
        
				
            
                | HGJ 518-1990 | (Chinese Industry Standard) | 
        
				
            
                | HGJ 519-1990 | (Rigid PVC endoscopy (with photos)) | 
        
				
            
                | HGJ 5-1986 | (Caustic soda saving design requirements) | 
        
				
            
                | HGJ 526-1990 | (Multilayer U-shaped bellows expansion joints Series) | 
        
				
            
                | HGJ 527-1990 | (Reinforcing tube) | 
        
				
            
                | HGJ 528-1990 | (Seam steel pipe fittings) | 
        
				
            
                | HGJ 530-1990 | (Uniform provisions chemical enterprise power design graphics and text symbols) | 
        
				
            
                | HGJ 532-1991 | (Chemical pipe filter) | 
        
				
            
                | HGJ 533-1991 | (SPE autofrettage fill function pipeline expansion joints) | 
        
				
            
                | HGJ 534-1991 | (Glass pipe and pipe fittings) | 
        
				
            
                | HGJ 6-1986 | (Chinese Industry Standard) | 
        
				
            
                | HGJ 69-1991 | (Steel pipe flanges with asbestos rubber sheet gasket) | 
        
				
            
                | HGJ 8-1987 | (Chemical pipeline design specifications) | 
        
				
            
                | HGTA 0001-1985 | (Founder) | 
        
				
            
                | HGTA 0002-1985 | (Blacksmith) | 
        
				
            
                | HGTA 0003-1985 | (General Machine Tool Safety) | 
        
				
            
                | HGTA 0004-1985 | (Lathe work) | 
        
				
            
                | HGTA 0005-1985 | (Milling work) | 
        
				
            
                | HGTA 0006-1985 | (Planer work) | 
        
				
            
                | HGTA 0007-1985 | (Drilling work) | 
        
				
            
                | HGTA 0008-1985 | (Boring work) | 
        
				
            
                | HGTA 0009-1985 | (Grinder work) | 
        
				
            
                | HGTA 0010-1985 | (Gear Engineering) | 
        
				
            
                | HGTA 0011-1985 | (Sawing work) | 
        
				
            
                | HGTA 0012-1985 | (EDM work) | 
        
				
            
                | HGTA 0013-1985 | (Machine Tool Engineering) | 
        
				
            
                | HGTA 0017-1985 | (Coil workers) | 
        
				
            
                | HGTA 0018-1985 | (Bed scissors work) | 
        
				
            
                | HGTA 0019-1985 | (Punch workers) | 
        
				
            
                | HGTA 0020-1985 | (White ironwork) | 
        
				
            
                | HGTA 0021-1985 | (Cooperage work) | 
        
				
            
                | HGTA 0023-1985 | (Heat treatment work) | 
        
				
            
                | HGTA 0025-1985 | (Rigger) | 
        
				
            
                | HGTA 0027-1985 | (Plastic processing workers) | 
        
				
            
                | HGTA 0029-1985 | (NDT work) | 
        
				
            
                | HGTA 0030-1985 | (Electrician) | 
        
				
            
                | HGTA 0031-1985 | (Communication Workers) | 
        
				
            
                | HGTA 0034-1985 | (Bricklayer) | 
        
				
            
                | HGTA 0035-1985 | (Earthmoving work) | 
        
				
            
                | HGTA 0036-1985 | (Carpenter) | 
        
				
            
                | HGTA 0037-1985 | (Scaffolders) | 
        
				
            
                | HGTA 0038-1985 | (Reinforcing steel bar) | 
        
				
            
                | HGTA 0039-1985 | (Concrete work) | 
        
				
            
                | HGTA 0040-1985 | (Asphalt workers) | 
        
				
            
                | HGTA 0041-1985 | (Painter) | 
        
				
            
                | HGTA 0043-1985 | (Glazier) | 
        
				
            
                | HGTA 0044-1985 | (Car driver) | 
        
				
            
                | HGTA 0045-1985 | (Forklifts, dump trucks, bulldozers, tractors and drivers) | 
        
				
            
                | HGTA 0046-1985 | (Crane, crawler cranes, tower crane driver) | 
        
				
            
                | HGTA 0047-1985 | (Grab crane driver) | 
        
				
            
                | HGTA 0048-1985 | (Battery car driver) | 
        
				
            
                | HGTA 0049-1985 | (Vehicle mechanic) | 
        
				
            
                | HGTA 0050-1985 | (Elevator workers) | 
        
				
            
                | HGTA 0051-1985 | (Day turner) | 
        
				
            
                | HGTA 0052-1985 | (Stevedores) | 
        
				
            
                | HGTA 0056-1985 | (Kotelshchik) | 
        
				
            
                | HGTA 0062-1985 | (Workers blueprint) | 
        
				
            
                | HGTA 0063-1985 | (Handy-man) | 
        
				
            
                | HGTA 0064-1985 | (Cook) | 
        
				
            
                | HG/T 20201-2017 | Code for lifting of chemical engineering construction | 
        
				
            
                | HG/T 20205-2017 | Code for construction and acceptance of chemical machine installation engineering(Centrifugal compressor) | 
        
				
            
                | HG/T 20206-2017 | Code for construction and acceptance of chemical machine installation engineering (Medium and miniature sized piston compressor) | 
        
				
            
                | HG/T 20212-2017 | Code for construction and acceptance of fluid seal gas holder of structure welded by metals | 
        
				
            
                | HG/T 20229-2017 | Code for construction and acceptance of chemical equipment and pipeline anticorrosive engineering | 
        
				
            
                | HG/T 20660-2017 | Standard for Classification on Hazards of Toxicity and Explosion of Chemical Mediums in Pressure Vessel | 
        
				
            
                | HG/T 30031-2017 | (Specification for safety of anhydrous sodium sulfate production) | 
        
				
            
                | HG/T 30032-2017 | (Technical specification for nitric acid production safety) | 
        
				
            
                | HG/T 30033-2017 | (Safety specification for hydrogen fluoride production) | 
        
				
            
                | HG/T 30034-2017 | Production safety technology specification for sodium percarbonate |