The notice pointed out that since the close of settlement on April 29, 2009, the margin level for futures contracts for copper, aluminum, zinc, rebar, wire, gold, natural rubber and fuel oil has increased from the original proportion to 9%; 2009 On April 30th of this year, the limits for futures contracts for copper, aluminum, zinc, rebar, wire rods, gold, natural rubber, and fuel oil will increase to 6%. In case of the above transaction margin ratio, the limit of rise and fall, and the ratio of the trading margin required by the current rules, and the range of price increase or decrease, the ratio shall be higher and higher in magnitude.
The notice stated that if there was no suspension of the contract in the previous period on May 4th, the ratio of the trading margin received from the settlement of the day's closing and the change limit of the next trading day would be adjusted as follows: Aluminium, zinc, gold futures contracts The trading margin is 7%, and the rate of change is limited to 5%. The trading margin for copper, rebar, wire rods, natural rubber and fuel oil futures contracts is 8%, and the rate of change is limited to 5%.
The last period stated that due to the recent uncertainties in the international market, in order to guard against the adverse effects of large fluctuations in the international market, the margin level of the copper futures contracts from May 4th has increased from 7% to 8%.
The hard gear surface transmission device of SZ series manufactured srictly according to the standard of JB/ T9095.1- 1999 consists of reducer and distributor. It is the special-purpose product of the conical twin screw extruder. 1. The gear of the reducer is high strength alloy steel, carburizing steel. Processed by carburization, quenching and gear grinding, the gear can reach 6-grade.The gear enjoys both high hardness with HRC58-62 and low noise when operating. 2. The gearbox' s small cone angle of helical gear is made by high quality alloy steel. After grinding by CNC gear hobbing machine, the gear will be carburized, quenched to make sure high precision and hardness. 3. Ductile cast iron case and high strength aligning thrust roller bearings makes the item perform steadily and bear large axial thrust. 4. Equipped with cooling system,the reducer and distributor can run safety. 5. Exquisite craftsmanship of cutting makes the item in great shape. Our factory can also design according to customers' requirements besides our available specification
Reducer For Plastic Machines,Gearbox For Plastic Machines,Extruder Reduction Gearbox,Sz Series Of Gearbox
Zhoushan Taisu Overseas Co Ltd. , https://www.taisuoverseas.com