Can send knives, but control knives can not be mailed. A meter-long open-bladed knife can't be mailed.
Based on the "Prohibited Articles Guidance Catalog"
I. Firearms (including imitations, major parts and components) and ammunition
1. Firearms (including imitations, major parts and components): such as handguns, rifles, sub-machine guns, riot control guns, airguns, hunting rifles, sporting guns, narcotic injector guns, steel shotguns, and tear gas guns.
2. Ammunition (including imitations): such as bullets, bombs, grenades, rockets, flares, incendiary bombs, smoke (fog) bombs, flares, tear gas bombs, gas bombs, landmines, grenades, artillery shells, gunpowder and so on.
Two, control instruments
1. Control of knives: such as daggers, three-pronged scraper, with a self-locking device with a spring-loaded knife (jumping knife), and other similar single-edged, double-edged, three-pronged sharp knife.
2. Other: such as crossbows, tear gas, tear gas gun, electric shock device.
Three, explosives
1. blasting equipment: such as explosives, detonators, fuses, detonating cords, blasting agents.
2. Fireworks: such as fireworks, firecrackers, firecrackers, drop guns, pulling guns, smashing guns, color bombs and other fireworks and black powder, pyrotechnic composition, hairpin paper, fuses and so on.
3. Other: such as propellants, launching pills, nitrocellulose, electric ignition head.
Four, compressed and liquefied gases and their containers
1. flammable gases: such as hydrogen, methane, ethane, butane, natural gas, liquefied petroleum gas, ethylene, propylene, acetylene, lighters and so on.
2. Toxic gases: such as carbon monoxide, nitrous oxide, chlorine gas.
3. Explosive or asphyxiating, combustion-enhancing gases: such as compressed oxygen, nitrogen, helium, neon, aerosols, etc.
5. Flammable liquids
such as gasoline, diesel, kerosene, tung oil, acetone, ether, paint, lacquer, benzene, alcohol, rosin oil.
6, flammable solids, spontaneous combustion substances, water flammable substances
1. flammable solids: such as red phosphorus, sulfur, aluminum powder, flash powder, solid alcohol, matches, activated carbon.
2. Spontaneous combustion of substances: such as yellow phosphorus, white phosphorus, nitrocellulose fiber (including film), titanium powder.
3. Flammable substances in contact with water: such as metallic sodium, potassium, lithium, zinc powder, magnesium powder, calcium carbide (calcium carbide), sodium cyanide, potassium cyanide and so on.
VII, oxidizers and peroxides
such as permanganate, perchlorate, hydrogen oxide, sodium peroxide, potassium peroxide, lead peroxide, chlorate, bromate, nitrate, hydrogen peroxide and so on.
Eight, toxic substances
such as arsenic, arsenic, mercury, thallium, cyanide, selenium powder, phenol, mercury, highly toxic pesticides.
9, biochemical products, infectious, infectious substances
such as germs, anthrax, parasites, excreta, medical waste, carcasses, animal organs, limbs, un-nitrated animal skins, un-medicated animal bones.
Ten, radioactive substances
such as uranium, cobalt, radium, plutonium, etc..
Xi, corrosive substances
such as sulfuric acid, nitric acid, hydrochloric acid, storage batteries, sodium hydroxide, potassium hydroxide.
XII, drugs and drug paraphernalia, non-legitimate use of narcotic drugs and psychotropic substances, non-legitimate use of the easy-to-use chemicals
1. Drugs, narcotic drugs and psychotropic substances: such as opium (including poppy husks, flowers, bracts, leaves), morphine, heroin, cocaine, marijuana, methamphetamine (methamphetamine), ketamine, methcathinone, amphetamine, anzocine, etc..
2. Easy to manufacture chemicals: such as piperonal, safrole, safrole oil, ephedrine, pseudoephedrine, hydroxyimide, o-ketone, phenylacetic acid, bromopropiophenone, acetic anhydride, toluene, acetone and so on.
3. Drug paraphernalia: e.g., icicles, etc.
Thirteen, illegal publications, printed matter, audio-visual products and other propaganda
such as books, publications, pictures, photographs, audio-visual products containing reactionary, incitement to national hatred, undermine national unity, destabilize society, promote cults, religious extremist ideology, obscenity and other content.
Fourteenth, espionage equipment
such as hidden eavesdropping equipment, photographic equipment, sudden transceivers, disposable code books, secret writing tools, electronic listening and interception equipment used to obtain information.
Fifteen, illegal counterfeiting goods
such as counterfeit or altered currency, documents, seals and so on.
Sixteen, infringement of intellectual property rights and counterfeit goods
1. Infringement of intellectual property rights: such as infringement of patents, trademarks, copyright books, audio and video products.
2. Counterfeit and shoddy goods: such as counterfeit and shoddy foodstuffs, medicines, children's products, electronic products, cosmetics and textiles.
17, endangered wild animals and their products
such as ivory, tiger bone, rhinoceros horn and their products.
XVIII, prohibited items
If there is a health hazard to humans and animals, from infected areas and other food, drugs or other items that can spread disease; the content of documents, information and other items involving state secrets.
Expanded Information
Based on the Postal Law of the People's Republic of China
Article 37 No unit or individual shall use the mails to send articles containing the following contents:
(1) incitement to subvert state power (a) incitement to subvert state power, overthrow the socialist system or split the country, undermine national unity and jeopardize national security;
(b) disclosure of state secrets;
(c) spreading rumors to disrupt the social order and destabilize society;
(d) incitement to ethnic hatred, ethnic discrimination and undermining national unity;
(e) propagation of cults or superstitions;
(f) propagation of cults or superstitions;
(g) propagating the use of the mail;
Any unit or individual shall not use the mail to send articles containing the following contents:
(a) any article containing the following content p>
(vi) spreading obscenity, gambling, terrorist information or abetting crimes;
(vii) other contents prohibited by laws and administrative regulations.
State Postal Bureau of the People's Republic of China - Guideline Catalog of Prohibited Articles for Sending and Delivery